COMPREHENSIVE EVALUATION OF PROTEIN VALUE OF FEED RAW MATERIALS OF ANIMAL ORIGIN

  • Н. P. Ryvak State Scientific Research Control Institute of veterinary preparations and feed additives
  • G. I. Boyko State Scientific Research Control Institute of veterinary preparations and feed additives
  • R. O. Ryvak State Scientific Research Control Institute of veterinary preparations and feed additives
  • S. V. Davydovych State Scientific Research Control Institute of veterinary preparations and feed additives
Keywords: PROTEIN, AMINO ACIDS, FEED RAW MATERIALS OF ANIMAL ORIGIN, DIGESTIVE PROTEIN, DIGESTIVITY COEFFICIENT, PROTEIN VALUE.

Abstract

The article presents a literature review on the need to balance feed for farm animals and poultry on the content of complete protein, which contains a complete set of essential and essential amino acids, the characteristics of feed materials of animal origin in relation to its protein value.

The section "Materials and methods" presents methods for determining: crude protein by the Kjeldahl method, digestible protein with 0,2 % pepsin, and the coefficient of digestibility, and the principles of testing, as well as characteristics of methods for determining the content of essential and non-essential amino acids. incl. sulfur-containing, using the system of capillary electrophoresis "Kapel-105M".

As a result of the conducted researches it is established that in terms of protein value (digestible protein and digestibility coefficient) feather flour is the least valuable, it is also poor in lysine, methionine, tryptophan and histidine, compared to other types of raw materials, despite hydrolysis and high heat treatment. Meat and bone meal are also less valuable in terms of digestible protein and essential amino acids. The best indicators of protein value were observed in dry blood plasma in terms of digestible protein content and digestibility coefficient, which is 89.9%, which indicates its good digestibility by animals and poultry.

In terms of digestible protein, essential amino acids and digestibility, meat, blood meal and dry blood plasma are the most valuable. Due to this, these products are effective in feeding for protein synthesis of livestock and poultry products.

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Published
2020-10-27
How to Cite
RyvakН. P., Boyko, G. I., Ryvak, R. O., & Davydovych, S. V. (2020). COMPREHENSIVE EVALUATION OF PROTEIN VALUE OF FEED RAW MATERIALS OF ANIMAL ORIGIN. Scientific and Technical Bulletin оf State Scientific Research Control Institute of Veterinary Medical Products and Fodder Additives аnd Institute of Animal Biology, 21(2), 164-169. https://doi.org/10.36359/scivp.2020-21-2.22