DE2062529A1 - - Google Patents

Description

Feed additive for ruminants

The invention relates to feed additives for ruminants with nutritional, therapeutic or prophylactic properties as well as their manufacture, composition, form and use. The invention seeks to create energy-rich, lipoid-containing additives of this kind that make more pronounced changes in diet, fat and meat production Allow animals without indigestion. Another object of the invention is to provide a vehicle for administration of lipoid-soluble, therapeutic and prophylactic substances on ruminants,

Diet control in the feeding of monogastric animals such as pigs and poultry has, through the use of energy and protein-rich feed with hormone and drug additives has reached a very advanced level. These However, the situation does not exist with ruminants, such as cattle and sheep, mainly because these animals are a complicated one and have completely different digestive systems. So we know, for example, that the rumen microorganisms in such an outrage Break down proteins and modify lipoid substances that one High protein and high energy diet of ruminants highly ineffective is exploited. In a parallel application it was shown

109827/0995

POST CENTER: 8 Munich 90, Eduard-Schmid-Str. 2

that a high-protein diet can then be used effectively for wool or meat production if the protein is against Degradation in the rumen protects. The present invention, on the other hand, is based on the recognition that one very essential and useful Improvements in the high energy lipoid diet by ruminants can be achieved along the way Protects lipoids from the effects of rumen microorganisms.

It is known that the hydrogenation of unsaturated pasture fodder lipoids by the rumen microflora essential to the formation of the characteristically saturated body and milk fats of the

K käuer contributes. Try to make a major change in fat production Achieving and composition by feeding large amounts of vegetable oils, however, remained in practice unsuccessful because of the low degree of conversion, partly due to the effect of the rumen microflora and partly to the disruption of normal digestion and the associated reluctance to eat is. Still exist from the standpoint of human health and nutrition from increasingly desire and Demand for food products ^ their fat component high, so-called P / S ratio between polyunsaturated Contains fatty acids and saturated fatty acids »By using the feed additives according to. Invention it is now possible this p / s ratio in ruminant body and milk fat without

P digestive disorders and with significantly increased feed utilization to improve very much »

Accordingly, in one relationship, the invention consists of one Feed additive for ruminating animals, with the distinctive Special feature that it consists of a solid or liquid lipoid material with the desired nourishing, therapeutic or prophylactic properties in the form of finely divided individual parts ^ !! or "kugelehen" consists of one layer from the reaction product between an animal or plant protein and are surrounded by an aldehyde and thereby defined,

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BATH ORIGINAL

this reaction product being practical at pH values above 5 is insoluble and practically soluble in those below 4. The additive can be in solid form with part sizes from 0.01 to 5mm and preferably 0.2 to 2 mm or be prepared and administered as a liquid emulsion. In both cases you should the oil droplets have an average diameter which is substantially less than 0.1 mm and preferably of the order of magnitude of 0.001 mm.

To achieve the desired P / S ratio improvement in the carcass and / or milk fat, one should use unsaturated animal or vegetable fats or oils. Suitable as vegetable oils e.g. those made from soybeans, peanuts, sunflowers, safflower, cottonseed, maize, rape and the like and as animal ones Fats or oils from non-ruminants, such as fish, poultry, and ophthalmic wines, or from ruminants previously treated with the additives according to the invention were fed. On the other hand, if you have hormones, vitamins or other drugs or modifiers want to administer, these should be lipoid soluble Form can be mixed into the lipoid component of the feed additive, but this is not unsaturated for this purpose needs to be. The expression "other modifiers" used above is intended to mean flavors, Antioxidants, texture improvers and similar substances are included for the purpose of corresponding action on the Ruminant meat, fat or dairy products are used will.

There are a variety of protein materials that can be used according to the invention, the choice of which depends on their price and emulsifying power, but digestibility is preferred should. For example, animal proteins, such as gasein, gelatine or those made from fish or meat meal, and vegetable proteins are suitable, like gluten or those made from the oil seeds themselves. These

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Protein materials are usually in digestible, i. E. Such a form is available that they can be removed from the gastric juices in the abomasum, duodenum, and viscera of ruminants can be attacked.

It is within the scope of the invention to have both the lipoid and protein material from one and the same source, namely in in this case usually from an oil seed like SaJüior. There is no need to separate the two materials; you can rather emulsify the finely divided starting material, e.g. ground safflower, and directly with the Treat aldehyde.

The aldehyde treatment must of course be sufficient to provide protection against the rumen microflora, but on the other hand must not go so far that the digestibility of the protein material is noticeably impaired. With regard to the amount of aldehyde to be selected, the rule applies that in general, based on the weight of protein, 1 to 6 % aldehyde is sufficient to prevent metabolism of the fat component of the particle. For casein, for example, one takes 1 to 2 $ formaldehyde. It is possible to work with other aldehydes, such as glutaraldehyde or glyoxal, but formaldehyde appears to be the cheapest and most suitable among the materials available.

Since, according to the above-mentioned parallel application, the aldehyde-protein complex is available to the ruminant as nutrition, there remains a wide range of options for the protein-lipoid ratio in the feed additive according to the present invention, but in order to achieve adequate protection of the lipoid material, the particles should be at least 20% by weight of protein exist. Lipoid protein ratios between 1 s 1 and 4 % 1 have been found to be suitable for modification of ruminant fat.

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According to the invention, the fat feed additive is preferably produced in such a way that an emulsion is first produced by homogenization of fat and protein in aqueous solution produces this emulsion then converted into encapsulated solid particles by spray drying or other processing and the emulsion or the Dry powder treated with an aldehyde. (The emulsion formation ensures the preferred fine distribution of the Lipoids). In the context of the invention, however, it is also practical Manufacture the same product by first considering lipoid and protein as separate components according to whatever known suitable encapsulation methods combined and thereby treating the protein before or after combining with the aldehyde. In any case, it is important that that Llpoidmaterial is finely divided by the protein, as likely acceptability of high-fat additives on small oil droplets and their intimate association with full or semi-digestible protein is due to the feeding of large amounts of unprotected lipoids in lump form via the Maul is likely to lead to severe metabolic disorders and unwillingness to eat.

It is known that certain natural pasture feeds contain up to 5 % lipoids and that a maximum of twice to three times this amount can be fed to ruminating animals without causing intolerable digestive disorders. With the help of the invention, however, you can feed up to ten times this amount without a harmful reaction and with effective use.

To reduce the breakdown of the lipoid additive in the rumen as small as To keep it possible, its particle size should preferably be below 0.5 mm Durohmesser and its density ratio below 1 and the latter amount to no more than 1.2. This allows the additive in the rumen to quickly separate from the rest

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Separate the material and transfer it to the abomasum with the rumen juice will. The diaphragm setting can be easily adjusted achieve that "one-in the Kraulslonsbildung the Controlled the amount of air mixed into the homogenate. The air introduced in this way then creates the spray drying process or the like in the particles and can possibly even advantageously produce hollow spheres.

Finally, it should be noted * that the invention also includes the novel and modified ruminant meat and milk products includes that by consistently feeding the. inventive «- ™ mass lipol additives are produced «

After the invention above generally with regard to its Has been revealed in its essence, it should now be based on particular Embodiments are explained in more detail ^ without referring to them to be limited. Please refer to the attached drawings Referenced · Ka show

Figure 1 is a flow diagram of some manufacturing processes for Invention-grade lipoid additives,

Figure S © in the graph showing the in vitoo resistance of the Addition according to example 1 to rumen contents in the " is evident from similar, untreated putter erosions,

Figure 3 is a graph showing the beneficial influence of feeding the additive according to Example 1 on cows on the linoleic acid content her milk shows, and

FIG. 4 shows a block diagram of the unsaturated content in body fat of sheep and cows with the addition according to Example 1 were fed.

In the examples below for a description of ruminants Quiet and smoking products en used p / S ratio

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as already said, provides an index for the ratio from polyunsaturated to saturated fatty acids, is calculated according to the formula

Total content of polyunsaturated fatty acids "/"

«- ^si -« «= P / b-

Total saturated fat ratio

In the case of milk fat, for example, these include polyunsaturated. saturated fatty acids the (di-unsaturated) linoleic acid and the (tri-unsaturated) linolenic acid, but not the (mono-unsaturated) oleic acid, while to the saturated fatty acids on the other hand stearic acid and again not stearic acid oleic acid belong. With the exception of butter in Table II, iodine values were not given as they are only a measure of the total unsaturation and do not reveal whether or in what proportion the unsaturation of mono- or polyunsaturated Components.

With reference to FIG. 1, feed additives according to the invention can be obtained, for example, in such a way that one Mixer produces an aqueous solution of the protein constituent and thereby at an elevated temperature for the purpose of promoting dissolution from e.g. 50 to 80 ° C and works under neutral or slightly alkaline pH value conditions. Then one unites place the protein / water phase with an oil component in a colloid mill and pass through to complete the emulsification by a homogenizer * The emulsification can be facilitated by the presence of an emulsifying agent such as lecithin, If you want to add lipoid-soluble substances to the feed additive, they are conveniently carried out the mixture together with the oil component. If the feed additive is required in the form of a liquid emulsion the homogenizer product does not require any further processing other than the addition of a suitable amount of aldehyde. Otherwise - based on experience Preferably, the emulsion, which is preheated if desired, is pumped into a spray dryer, typically

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cally having a water content in the emulsion of 60 to 80 $, a pretreatment temperature of 50 to 90 ⁰ C and an air temperature of I60 ° C to l8o works in the spray dryer. As indicated by dashed arrows in FIG. 1, aldehyde in the spray dryer or, as experience has shown, is better still allowed to act on the particles in a separate working stage, for example by letting them sink down in a column filled with an aldehyde-containing atmosphere. Although the aldehyde can also be allowed to act on the emulsion during the emulsification and before the spray drying, it should not be allowed to pass too much time between the two treatment stages because the emulsion tends to stand up, usually after about 20 minutes to form a gel. Instead of this, you can also dry a gel formed in this way and grind it to the desired particle size.

The behavior of the product in the test tube is important for quality control. This test can be carried out very simply by working at 30 to 40 ° C and with two buffer solutions adjusted to pH 6 or pH 3. Only a small percentage of the oil may then be released in the pH 6 solution after 15 to 20 hours, in the pH 3 solution, on the other hand, a high percentage should be released after 1 1/2 to 2 hours »The results are of course even more reliable, ψ if simulated or aspirated rumen extracts are used instead of the buffer solution.

Some examples of specific products are given below and discussed.

example 1

Acid was precipitated using a colloid mill as a mixer Casein (JO Gew · - $) Dissolved in "water * with sufficient NaOH addition the pH was adjusted to about 6.8. In these

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2082S29

In a second pass through the mill, safflower oil corresponding to a 1: 1 lipoid-protein ratio was mixed in with the aid of 0.1 % dodecyl gallate as an emulsifier, based on oil weight, and then the emulsification was completed in a two-stage homogenizer with air suction capability. The final emulsion was heated to about 70 ⁰ C and spray dried to Peinteilchen, which were then blown down in a chamber filled with fine Pormalinnebel column. The addition of formalin was regulated in such a way that 4 to 5 # formaldehyde was added based on protein. The product treated in this way was drawn off at the bottom of the column.

A second feed additive was produced using the same procedure, but containing linseed oil instead of safflower oil.

The finished product particles obtained in this way consist of hollow spheres (from 0.010 - Ο, ΟόΟ mm in diameter) with a core of individual Safflower or linseed oil balls 0.001-0.004 mm in diameter and a shell made of formaldehyde that completely surrounds them networked casein base material »

In a test tube, samples of these products were incubated with the exclusion of oxygen at 58 ° C. with rumen fluid that had been squeezed from a sheep that had fasted for at least 12 hours. The degree of hydrogenation of the unsaturated acids was determined by determining their proportion in the mixture before and after the incubation. Additional incubation batches were prepared in order to obtain samples which could be analyzed at intervals of up to 20 hours from the start of the incubation. At the same time, comparative incubations were carried out with particles which had not been treated with formaldehyde in order to determine the hydration performance of the rumen fluid. The test results are shown in curves in FIG. It can be seen from them that particles that are produced without formaldehyde treatment are complete within about 5 hours

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8AD

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Hydrogenation of the polyunsaturated fatty acids contained in them suffer, after formaldehyde treatment practically not hydrogenated even after 20 hours ₀

FIG. 3 shows that the linoleic acid content of cow's milk can be increased from about $ 2 to about $ 25 if the animals are fed the safflower feed additive / d (equivalent to $ 5 of a basic feed made from alfalfa and oats) and then administered until the end of β 1/2 weeks in double the amount (d ffl h "1000 g / d corresponding to 10 $ feed _{portion) than then after this time has elapsed} the addition according to the invention was replaced by particles not treated with formaldehyde, the linoic acid content of the milk sank to about 5 ^ ^ b _{9 in the next week}

Even more convincing results are obtained by feeding an even higher addition rate.For example, it has been observed that when the addition of the additive in Example 1 is increased to 15 to 20% of the basic feed, the linoleic acid content in the milk fat of cows and goats falls by 55 within 48 hours after the addition FTI $ 38 increase, "By using the erfindungsge" reasonably Fufefcerzusafczes viird but not only increases the amount of unge "saturated fatty acids in Milchfefet _B but also" caused increase in egg-milk fat production ₀ the naciisteiiende fabeile I "a bedeutende- never showed the Gesaratmilchfett · = production lia runs for 4 weeks in which cows were fed with IQOO g / d Zusata according to Example 1 per cow, increased by about 15 to 2 Qi.

II

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BATH ORIGINAL

- li -

Table I.

Influence of the feeding of safflower oil / casein addition on the

Cow's milk composition

Formally-

Comparative dehydration addition untreated = " diet treats delt **

10.4 10.2 9.53 5.0 5.8 4.7 0.50 0.59 0.45 3.5 3.7 3.4 14.8 15.2 14.1

Milk production (kg) fat (#)
Total fat (kg)
Protein {%)
Total solids {%)

^x the formaldehyde-treated additive was fed for 4 weeks

the untreated additive was fed for 2 weeks

The investigation was carried out on four Jersey X zebu cows with fed the feed additives in an amount of 1000 g / d per cow became.

The increased content of polyunsaturated fatty acids in the milk of ruminants fed with additives according to the invention is of course also noticeable in the dairy products made from such milk, and accordingly in the following Table II compares such a typical polyunsaturated butter with an average Australian butter.

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ORIGINAL INSPECTED

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Table II

Some physical and chemical properties of butter

polyunsaturated average

butter

Linoleic acid (I8s2) content {%) 33.2 31 - 1.5 Softening point (C) 24.6 29 "■ - 35 Iodine value 72 - 43

Apart from the approximate, which can be seen from the iodine value Doubling the unsaturated fatty acid content deserves note that the softening point is lowered by about $ 30 has what the improved spreadability of polyunsaturated Reflecting butter.

The remarkable ones evidenced by the experiments reported above Increases in polyunsaturated fatty acids in milk are due to corresponding increases in this percentage of fat in the body fat of those fed with food additives according to the invention Accompanied ruminants. Figure 4 shows how the P / S ratio in lamb and beef ox body fat by about $ 800 was increased after these animals had been fed for 4 weeks with an additive according to claim 1 »The additional height was $ 20 from the forage used in lambs from alfalfa and Oats and, in the case of oxen, from barley and alfalfa.

When checking smell, taste, softness, «juiciness and color of the meat products of these animals was no noticeable difference from the meat products of animals that were fed out-of-breath were found »

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Example 2

Safflower oil is known to contain in addition to about 7.3 wt .- ^ diunsaturated linoleic acid less than 1 wt -.% Triple-unsaturated linolenic acid, Now in order to show that the present invention protected particles are able to facilitate both dreials also doubly-unsaturated fatty acids assimilation, was prepared according the procedure described in example 1, a feed additive, but was used in the place of the safflower oil linseed oil, which is known to I9 wt -.% linoleic acid and 50 wt .- ^ linolenic acid. As can be seen from Table III below, the linolenic acid content in goat milk can be increased from $ 1.5 to over $ 20 if the animals are fed for 4 days with the addition of 20% by weight of a basic feed made from hay and oats.

Table III

Influence of feeding forraaldehyde-treated linseed oil-casein (Weight ratio lsi) on the fatty acid composition of goat milk

0 fatty acid Comparison feed 2 Lining with formal
dehydrated
additive 2 goat 0 1 1 0 13.1 8 _f 9 1 9.8 22.7 5.4 16.2 Share of
in wt .- $ 2 18.6 7.0 13.1 6.4 C 14: 3 (Linoleic acid) 6.7 37.3 10.8 24.3 C 16: (Linoleic acid) 48.3 1.9 23.8 9.1 G 18: Others 3.3 1.4 10.8 20, y C 18: 1.5 16.6 24.7 14.2 C 18: 11.8 11.4 C 18:

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BATH ORIGINAL

The comparison feed consisted of chopped alfalfa and oats in the weight ratio lsi «» The animals were fed once a day. The milk fat composition was initially fed after the comparative feed, i. ₉ h ,. determined before additional feeding and again after four days of additional feeding.

BejLs] Diel_J5

While in the foregoing examples, the additives of lipids and proteins of different origin, have been prepared, it is ₃ as already mentioned, quite possible a performance t ₃ enabled, protected feed additive using oil seeds as the starting material and without further addition of lipoid or

ProteinmaterdaX ζυ- win

A set of MAOI on the pH of 7 to 8 mixture of Safloro'lsamen (j3O.Gew, - $), and water was placed first in a plate grinder with his Peststoffgehalt to particle sizes from O ₁ I MiÄ mm, then by passing through a ball mill in the presence of O ₅ I wt _e - $ lecithin as an emulsifier in an emulsion converted _4, further comprising 2 percent by _e - $ formaldehyde in form of formalin added in country thereafter about 175 ° C hot air to Zussfezpulvsr spr-üligeferocknet was "

W When as animal feed the so gewonnenen- feed additive than 20 ^ stake a group consisting of hay and oats basic feed to dairy goats, the proportion increased polyunsaturated fatty acids in the animal milk within 2 hours hours after feeding the beginning of 1 to 2% to 10 to 12 $ ₀

The introduction of lipoid-dissolving high * substances into the protected Food additives cause no difficulties * in this regard

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0 ύη2 ^Ί ' 0 9 98

Lent experiments proved the high effectiveness of such additives regarding the introduction of representative, fat-soluble substances in the ruminant body.

According to Example 1, a formaldehyde-treated (1: 1) safflower oil-casein feed additive was used produced, whereby the oil before homogenization - based on particle weight - 0.025 $ dl-tocopherol (Vitamin E) added. In the test tube test of this additive according to Example 1, the tocopherol was not degraded, and when fed as a 15 $ portion of one örund feed made from alfalfa and oats for dairy cows the tocopherol content in their milk increased within 48 hours

If you have similar feed additives with $ 0.003 each or testosterone Produced cortisol acetate, only 20% of the steroids were metabolized in the test tube test according to Example 1. In the corresponding testing of non-formaldehyde-treated reference particles on the other hand, only 40% cortisol acetate could be found after 24 hours of incubation.

Example 5

It is not critical that the feed additive is in the form of solid particles! an effective liquid is also obtained Feed additive by mixing formalin into a -e.g. Lipoid protein emulsion prepared according to Example 1.

If you have a liquid additive obtained in this way as a 20 $ portion fed a basic feed of alfalfa and hay to dairy goats, the content of polyunsaturated fatty acids rose in their milk from $ 1 to $ 2 to # 14 to 16 within 48 hours of starting feeding.

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ßAO ORIGINAL

Example 6

Used for the production of the protected feed additives one preferably uses formaldehyde; but you can also use glutate aldehyde or take glyoxal. Putter additives produced with them according to Example 1 showed in the test tube test according to example 1 no significant degradation.

In all of the above animal experiments, the animals became continuous examined for possible adverse effects on the digestion fc of these additives due to the release of formaldehyde. There was but not the slightest sign of formaldehyde-related, toxic effects.

The animals were also constantly examined for the presence of digestive disorders or other disorders in all feeding experiments, without any adverse effects being observed in this respect as well. The resistance of ruminants to the release of formaldehyde in the abomasum or rumen was examined in a number of independent experiments. Although the upper safety limit for the harmless ^ feedable amount of formaldehyde was not determined, no harmful effects were observed * when sheep were fed for 3 months with amounts of formaldehyde which corresponded to the 20-fold equivalent of the maximum amount of formaldehyde that was fed daily 500 g of the according to Example 1 treated feed additive was included.

From the above it can be seen that the use the lipoid feed additives according to the invention are a very effective technique for treating and regulating growth, Creates nutrition and lipoid production by ruminants. With these additives it is possible for the first time to produce energy-rich

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10 9 827/0995

Use feed in ruminants. For the first time you can also have one gain tight control over the P / S ratio in ruminant body and milk fat; control is also made possible about natural taste, texture and antioxidant properties of milk fat and meat products from ruminants, and finally becomes a simple and effective way of administration tapped by fat-soluble therapeutic and prophylactic substances.

For the person skilled in the art it is evident that the above, specific examples and illustrations without departing from the scope of the invention as defined by the claims can be varied and modified in many ways.

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109 8 27/0995

Claims (1)

Commonwealth Scientific And
Industrial Research Organization
East Melbourne j, Australia _______ P a t e η t a η s ρ r ü c h e A feed additive for ruminant animals characterized _s j »that it consists of a solid or liquid Lipoidraateriai. IIIT desired nutritive ^ "therapeutic or prophylactic properties in the form of finely divided particulate or - consists» kügelehen ,, surrounded by a layer of the reaction product between an animal or Pflanzsenprotein and an aldehyde UNU characterized are defined, said reaction product at pH values above 5 is practically insoluble and practically soluble in those below 4 " 2. Snergiereicher feed additive for ruminant animals ₉ characterized _s that it consists of an emulsified lipid-protein material in-the form of a f-piece Peststoffs having a particle size of less than 2 mm and a relative particle density of less than 1.2, wherein the protein against Resistant to degradation in the rumen, but susceptible in the abomasum » 3® Futtersusata according to claim 1, characterized in that it consists of a finely divided solid with a particle size of less than 2 mm and a relative particle density is less than 1.2 «. 108827 / VS & B ':> ■■■ bad originau 4. Feed additive according to claim 2 or J, characterized in that it has a lipoid-protein ratio between 1: 1 and 4: 1 and contains a protein which by reacting with -based on protein weight- 1 to 6% formaldehyde against degradation in the rumen is resilient. 5. Feed additive according to one of the preceding claims, characterized in that it consists of particles with a diameter of less than 0.5 mm and a density of less than 1, the lipoid material is in the form of particles or has beads less than 0.05 mm in diameter, those from a vegetable oil made from soybeans, peanuts, sunflowers, safflower, cottonseed, corn or rapeseed or mixtures the same or an animal oil from fish, poultry or pigs, and the protein material from Casein, gelatin or gluten and with 1.5 to 2 percent by weight Formaldehyde is implemented. 6. Feed additive according to one of the preceding claims, characterized characterized in that the lipoid material and protein come from a single source, namely an oil seed. 7. Feed additive according to one of the preceding claims, characterized in that the lipoid material is a fat-dissolving 1 ° borne substance according to the description, the Pirbein from Casein consists and is reacted with formaldehyde. 8. Process for the preparation of a feed additive for ruminants Animals, characterized in that discrete particles or spheres of lipoid material are formed from Protein are surrounded, which before or after application to the lipoid material with an aldehyde to form an aldehyde-protein reaction product is implemented, which is resistant to degradation in the rumen, against such in the lice stomach but is receptive. 109827/0995 8AO OBlGlNM. 9. Method of making a putter additive for ruminants Animals, characterized in that it comprises the following steps: a) an aqueous solution of a protein is prepared, b) this aqueous solution is combined with a lipoid material to an emulsified product in which the particulate or globules of lipoid material are surrounded by protein, c) solid particles are formed from the product from step b) less than 2 mm in diameter, d) before or after step b) the protein is treated with an aldehyde to form an aldehyde-protein reaction product, which is resistant to degradation in the rumen, to such a thing in the abomasum but is receptive. 10. Method of making a putter additive for ruminants Animals, characterized in that it comprises the following steps! a) one puts at higher temperature and below neutral or weakly alkaline conditions produce an aqueous protein solution, b) the aqueous solution from step a) is combined with a lipoid material to form an emulsified product a lipoid-protein ratio between lsi and 4: 1, wherein discrete particles or spheres of lipoid material less than 0.1 mm in diameter Diameter are surrounded by protein, c) the emulsified product is heated to 50 to 90 ^° C., d) the emulsified product is spray dried to form of a finely divided solid with a partial diameter less than 2 mm, - 21 - BATH ORIGINAL 10 9827/0995 e) the protein is added at any stage after the formation of the decomposed product at 1 to β percent by weight Aldehyde to a crosslinked aldehyde-protein reaction product, which at pH ranges above 5 is practically insoluble and practically soluble in those below 4. 11. A method for producing a feed additive according to claim 9, characterized in that the spray-dried Treated particles with an aldehyde by filling them in an atmosphere containing aldehyde Column can sink. 12. Process for the preparation of a feed additive for ruminants Animals, characterized in that it comprises the following steps: a) the solid material contained in a mixture of oil seeds and water is reduced to a particle size of less than % mm in diameter, b) an emulsion is formed from the mixture, c) particles are formed by spray drying the emulsion less than 2 mm in diameter, d) the protein constituent is added with 1 to 6 percent by weight of aldehyde during emulsification or afterwards around. 1 ^. Process for the preparation of a feed additive for ruminants Animals, characterized in that it comprises the following steps: a) an aqueous solution of a protein is prepared, b) this aqueous solution is combined with a lipoid material to an emulsified product in which particles or spheres of lipol material are surrounded by protein are, - 22 - 10982 77 0995 _6AD c) the protein component of the emulsified product is set with 1 to 6 $ aldehyde to an aldehyde ~ protein- ' reaction product around «, which counteracts degradation in the rumen resistant, but is susceptible to such in the abomasum " 14. Process for the preparation of a feed additive for ruminants Animals according to one of Claims 7 to 1J, characterized characterized in that a lipoid-soluble substance according to the description is added to the lipoid component before emulsification | brings in. 15 «Meat and dairy products from ruminant animals, their Composition is modified by introducing the feed additive according to claims 1 to 6 into the animal feed «, 16-. Meat and dairy products from ruminating animals ^ at which the ratio of polyunsaturated acids by introducing the feed additive according to claims 1 to 5 i «. the animal feed is increased " 17 «Procedure for modifying the composition of meat and milk products of ruminant animals ^ characterized overall * indicates that introducing the feed additive according to claims 1 to 5 in the pet food " 18 »A method of administering a lipoid-soluble substance in accordance with the purpose of description of their incorporation into the milk, the body fat or body tissues of ruminant animals ^ characterized _A that the animals fed with the β Futtersusatz according to claim. 1 0 = 3 S 2 * 7 V ^J 0: 9 9: S -.- ' _BAD original