INFLUENCE OF HIGH PROTEIN SUNFLOWER CONCENTRATE DURING THE FEEDING PIGS ON THEIR SLAUGHTER QUALITY

DOI: https://doi.org/10.32845/bsnau.lvst.2022.2.6
Keywords: pigs, feed, soybean meal, high-protein sunflower meal

Abstract

The article presents the results of the study of the effect of partial and complete replacement of soybean meal with high-protein sunflower concentrate «Proglot» in the conditions of an industrial pig complex on the slaughter performance and quality of carcasses of fattening young pigs after slaughter with different weight conditions. Quality indicators of pig carcasses were studied under the condition of replacing half and all soybean meal with high-protein sunflower concentrate «Proglot» during rearing and fattening. It was established that there is no dependence of slaughter weight, slaughter yield, chilled carcass weight and its length, fat thickness above the sixth-seventh thoracic vertebrae, in the withers, in the chest and sacrum, the area of the «muscle eye» and the weight of the back third of the half-carcasses of partial and full replacement soybean meal for sunflower concentrate in the diet of pigs in the pre-slaughter weight categories of 100, 110 and 120 kg. At the same time, an increase in the pre-slaughter live weight of pigs from 100 to 120 kg, both with complete and partial replacement of soybean meal with sunflower concentrate, and when feeding soybean meal as a protein component led to an increase in slaughter weight by 22.93–25.47% , fat thickness on the breast by 39.13–41.40%, length of the half carcass by 4.74–5.37%, area of the “muscle eye” by 12.21–12.28%, mass of the rear third of the half carcass by 14.53–22.12%, fat yield by 24.89–23.77%. Whereas, for all diets, the meat yield of the experimental animals decreased by 7.29–6.42% and the meatiness ratio deteriorated by 4.16–2.17% with an increase in pre-slaughter live weight from 100 to 120 kg. Probable influence of pre-slaughter live weight on slaughter weight 55.30%, fat thickness above the 6–7 thoracic vertebra 35.92%, weight of the rear third of the half carcass by 30.10%, on the length of the half carcass 22.40%, thickness of fat on the breast 21.12%, the thickness of the fat in the sacrum by 18.57%, the area of the «muscle eye» by 15.99%, on the slaughter output by 8.40%. At the same time, the composition of the feeding ration affected the slaughter yield with 12.6% strength, the thickness of lard above the 6–7 thoracic vertebra 4.34%, the thickness of lard on the chest 4.21%, the length of the half carcass 2.87, the thickness of lard in the sacrum 1.01%, the weight of the back third of the half-carcass was 1.85, the slaughter weight was 1.20, and had no probable influence on the area of the «muscle eye» and the thickness of the lard in the withers.

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Published
2022-09-29
How to Cite
Povod, M. H., Mykhalko, O. H., Lykhach, V. Y., Hutyi, B. V., Povoznikov, M. H., Sokolenko, V. V., Verbelchuk, T. V., & Ahunova, L. V. (2022). INFLUENCE OF HIGH PROTEIN SUNFLOWER CONCENTRATE DURING THE FEEDING PIGS ON THEIR SLAUGHTER QUALITY. Bulletin of Sumy National Agrarian University. The Series: Livestock, (2), 36-48. https://doi.org/10.32845/bsnau.lvst.2022.2.6
Issue
No. 2 (2022): Bulletin of Sumy National Agrarian University. The series: Livestock
Section
Articles