Study of the effect of the dehydration process on the quality and safety of animal feed
https://doi.org/10.26898/0370-8799-2022-6-8
Abstract
The stages of dry feed production for unproductive animals and the results of the research of the resulting products for compliance with GOSTs are presented. The quality and safety parameters of dry feeds for unproductive animals made of raw materials of animal origin subjected to dehydration process have been studied. It was found that the drying process with the convection principle of action, positively affects the indicators of nutritional value of the finished product. The resulting products comply with GOST R 54954-2012. The experiment was conducted in 2021, 2022. Spleens obtained from clinically healthy cattle (age 18 months) during slaughter at the meat processing enterprises of the Altai Territory were used as an object of the study. According to the laboratory results, it was found that in the studied form of raw materials in the process of dehydration such an indicator as the mass fraction of moisture significantly decreased and amounted to 5.5 ± 0.01%. The indicators of the mass fraction of protein and ash after the drying process, remained virtually unchanged: 20.27 ± 0.001 and 0.05 ± 0.01% respectively. The mass fraction of crude fat in the studied samples was 0.4 ± 0.01%, which is 4.6-8.6% lower than the standard. Study of the resulting products for compliance with the requirements for dry full-fat adult fodder (dogs) was carried out. A comparative analysis of the chemical composition of dry feed samples was conducted. In the tested samples the required content of the following essential macronutrients: phosphorus, calcium and sodium was observed. The highest calcium content (2.3%) was detected. Laboratory methods in accordance with the approved rules of bacterial studies established safety indicators of dry animal feed for unproductive animals.
About the Author
E. S. Razumovskaya
Veterinary Department of the State Veterinary Service of the Altai Territory in the city of Barnaul
Russian Federation
Russian Federation
Candidate of Science in Veterinary Medicine, Lead Researcher
Barnaul
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For citations:
Razumovskaya E.S. Study of the effect of the dehydration process on the quality and safety of animal feed. Siberian Herald of Agricultural Science. 2022;52(6):70-77. https://doi.org/10.26898/0370-8799-2022-6-8
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