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Ana Gavrӑu

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The “ideal protein” concept is not ideal in animal nutrition

Herbal methionines were introduced when there was a severe shortage of d.l.methioninine. herbal methionine is a powder which has comparatively higher level of methionine compared to other grains and cakes which are known to contain different levels. Some body analyzed the samples of herbal methionine sold in the market and found 3% d.l.methionine with the same test used for measuring the methioni ...

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The “ideal protein” concept is not ideal in animal nutrition

I should like also to comment from Dr. Marchenkov regarding "vegetable methionine". As Dr. Wu correctly states, methionine is methionine; an amino acid with a clearly defined structure INDEPENDENT of the source. I have seen numerous products claiming to be "Herbal methionine" and these materials are not methionine, and do not contribute methionine. When used in correctly balanced and formulated di ...

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The “ideal protein” concept is not ideal in animal nutrition

Although I agree with the author of the article about the difficulties of practical application of the ideal protein concept, nevertheless, I believe that this concept has the right to exist as a mathematical model. It can be used to get closer to the most efficient protein absorption. But in practice, fluctuations in the composition of grain raw materials and protein sources are observed, and the ...

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The “ideal protein” concept is not ideal in animal nutrition

IntroductionAmino acids (AAs) are natural substances containing both amino and acid groups. Proline, which contains an imino group but not an amino group, is loosely considered as an AA in nutrition and metabolism.1 Protein (the polymer of AAs) is the major component of growth in animals and has been a focus of nutritional research over the past century.2 Proteinogenic (protein-creating) in animal ...

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10 Invited Speakers Confirmed for APSS 2023

Confirmed Invited Speakers To view all of the speaker information visit the website: https://www.apss2023.com.au/ • Dr. Aaron Cowieson • Dr. Stuart Wilkinson • Prof. Alex Yitbarek • Prof. Brent Kaiser • Dr. Rick Kleyn • Prof. Martin Zuidhof • Dr. Wendy Muir • Dr. Peter Chrystal • Prof. Bob Swick • Prof. Tom Porter & ...

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Use of DigestoCid© to eliminate E. Coli from drinking water

Water is a fascinating subject. I would like to caution that in not all circumstances will decreasing water PH along with essential oils eliminate pathogens (e-coli, etc..) . If your sanitation program is failing (due to application, dose, resistance etc..) then the problem of having bacteria present will accelerate with adding any organic substances. One also must be careful that the product do ...

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The Role of Vitamins as Co-factors and Antioxidants in Immunity and Gut Health

The importance of vitamin nutrition in poultry feeding has been recognized for decades, yet precise vitamin requirements for modern, high producing have not been investigated. Because of their low inclusion rates, vitamins have a relatively small impact on the cost of feed. Many vitamins lose activity over time or under high-temperature feed processing. Vitamins, especially the water-soluble vitam ...

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Replacing 100 % chemical choline chloride - Raw material summary

Excess of choline chloride in ration of commercial laying hens produce a refused taste of eggs, for that we can’t open the amount of choline according to fat content in liver.

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Common mistakes using enzymes in poultry nutrition

Dear Piotr, thanks for very interesting and very important discussion. It is very heavy to discuss it in short. A lot of questions! For what reason we apply feed enzymes? Is it reasonable? Is it profitable? Matrix values: maximum rates to obtain maximum sales? Search for alternative sources of energy and protein? Also important: what application method to apply: over the top or down specification? ...

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