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V. I. Khalak,candidate of agricultural sciences, senior researcher, head of the animal husbandry laboratory,
ORCID:https://orcid.org/0000-0002-4384-6394
E-mail:v16kh91@gmail.com
State institution "Institute of Grain Crops of the National Academy of Agrarian
Sciences of Ukraine" St. Volodymyra Vernadskyi, 14, Dnipro, Ukraine, 49009
O. I. Kostenko,candidate of agricultural sciences, senior researcher, head of the zootechnics and veterinary department
of Medicine of the Presidium of the National Academy of Sciences
ORCID:https://orcid.org/0000-0001-8110-106
E-mail:kostenko_oi@ukr.net
National Academy of Agrarian Sciences of Ukraine, St. Mykhailo Omelyanovich-Pavlenka, 9, Kyiv, Ukraine, 901010
O. M. Tsereniuk,doc. of agricultural sciences, associate professor, director of the Institute of Pig Breeding and AIP of the NAAS,
ORCID:https://orcid.org/0000-0003-4797-9685
E-mail:tserenyuk@gmail.com
Institute of Pig Breeding and agroindustrial production NAAS, Shvedska Mohyla Str., 1, Poltava, Ukraine, 36013
I. B. Bankovska, doctor of agricultural sciences, senior researcher, head of the department of nutrition, physiology and health
animals
ORCID:https://orcid.org/0000-0002-0104-5003
E-mail:gloryir2017@gmail.com
Institute of Pig Breeding and agroindustrial production NAAS, Shvedska Mohyla Str., 1, Poltava, Ukraine, 36013
L. P. Hryshina,doc. of Agricultural Sciences. sciences, senior researcher, chief researcher, pig breeding and selection laboratory
ORCID:https://orcid.org/0000-0001-6292-0257
E-mail:ludpavgri@ukr.net
Institute of Pig Breeding and agroindustrial production NAAS, Shvedska Mohyla Str., 1, Poltava, Ukraine, 36013
M. O. Il’chenko, candidate of the agricultural sciences, academic secretary,
ORCID:https://orcid.org/0000-0003-0163-1384
E-mail:mariia1984poltava@gmail.com
Institute of Pig Breeding and agroindustrial production NAAS, Shvedska Mohyla Str., 1, Poltava, Ukraine, 36013
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Abstract
The purpose. To investigate the physicochemical properties of the longest back
muscle of young pigs of a large breed of different intrabreed differentiation according
to some indicators of protein metabolism, as well as to calculate the level of
correlations between traits. Methods. Zootechnical, biochemical, statistical, purebred
breeding. Control fattening of young pigs of the large white breed was carried out in
agricultural formations of the Dnipropetrovsk region, their slaughter and selection of
samples of the longest back muscle – LLC "Globynskyi Myasokbinat", research of
biochemical indicators of blood serum – research center of biosafety and ecological
control of agricultural resources of the Dnipro State Agrarian and Economic
University, physicochemical properties of the longest muscle of the back – zoochemical
analysis laboratory of the Institute of Pig Breeding and AIP of the NAAS. The following
indicators were studied in blood serum and muscle tissue samples of animals: content of
total protein, g/l; urea content, mmol/l; cholesterol content, mmol/l; active acidity (pH),
acidity units; moisture retention capacity, %; tenderness, s; loss of muscle tissue during
heat treatment, %; color intensity, units ext.×1000. The results. It was established that
the biochemical indicators of blood serum (total protein content, urea content)
correspond to the physiological norm of clinically healthy animals. The number of high-
quality samples according to the moisture-retaining capacity of the longest muscle of
the back is 8.0 %, color intensity – 20.0 %, tenderness – 8.0 %, and the coefficient of
variability of these characteristics ranges from 2.52 to 14.57 % . The difference
between groups of experimental animals in the physico-chemical properties of muscle
tissue, taking into account intrabreed differentiation in the content of total protein and
urea in blood serum, ranges from 1.23 to 10.71 %. Conclusions. The indicators of the
interior of young pigs of the experimental group correspond to the physiological norm
of clinically healthy animals. The coefficient of pairwise correlation between indicators
of protein metabolism and physicochemical properties ranges from –0.222 to +0.288;
reliable values of this biometric indicator between features have not been eestablished.
Key words: young pigs, breed, biochemical indicators of blood serum, longest
back muscle, physicochemical properties, variability, correlation.
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