Pig Breeding 2023 №2(80)

ACTIVITY OF BLOOD SERUM AMINOTRANSFERASES AND THEIR RELATIONSHIP WITH FEEDING AND MEAT QUALITIES OF YOUNG PIGS OF DIFFERENT INTENSITY OF FORMATION

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UDC: 636.4.082.12

DOI: 10.37143/2786-7730-2023-2(80)08

REFERENCIS АРА style:Khalak, V. I., Voloshchuk, V. M., Tsereniuk, L. P., Gutyi, B. V., Zasuha, L. V., & Bordun, O. M. (2023). Aktyvnist aminotransferaz syrovatky krovi ta yikh zviazok z vidhodivelnymy i m’iasnymy yakostiamy molodniaku svynei riznoi intensyvnosti formuvannia [Activity of blood serum aminotransferases and their relationship with fattening and meat qualities of young pigs of different intensity of formation]. Svynarstvo i ahropromyslove vyrobnytstvo [Pig Breeding and Agroindustrial Production]. Poltava, 2(80), 116-130 [in Ukrainain]. doi: 10.37143/2786-7730-2023- 2(80)08

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
V. M. Voloshchuk,Doctor of Agricultural Sciences, Professor, Corresponding Member of the National Academy of Sciences, Advisor to the Directorate
ORCID:https://orcid.org/0000-0001-6980-1293
E-mail:volloshykv.m@ukr.net
Institute of Pig Breeding and agroindustrial production NAAS, Shvedska Mohyla Str., 1, Poltava, Ukraine, 36013
O. M. Tsereniuk,Doctor of Agricultural Sciences, 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
L. V. Zasukha, doctoral student, lab. innovative technologies and experimental livestock facilities
ORCID:https://orcid.org/0000-0001-7481-1242
E-mail:ludmila10031985@gmail.com
Institute of Pig Breeding and agroindustrial production NAAS, Shvedska Mohyla Str., 1, Poltava, Ukraine, 36013

ОO. M. Bordun candidate of the agricultural sciences, senior researcher, chief researcher, laboratories of animal husbandry and fodder production.
ORCID:
E-mail:pigbreeding@ukr.net
Institute of Agriculture of the North East of the National Academy of Sciences, str. Zelena, 1, p. Sad, Sumy district, Sumy region, Ukraine, 42343

Abstract

Aim. To investigate the activity o f aspartate aminotransferase (AST) and alanine aminotransferase (ALT) in blood serum and their relationship with fattening and meat qualities in young pigs o f different intensity o f formation in early ontogeny. Methods. Zootechnical, biochemical, and statistical research methods were used to achieve the goal. Control fattening and slaughter o f young pigs o f the large white breed was carried out at the "Druzhba-Kaznacheivka" Ltd o f the Dnipropetrovsk region and the "Jazz " meat processing plant (Berezovskyi, Khatko, 2005), the study o f biochemical indicators o f blood serum (Vlizlo et al., 2012) - scientific research center o f biosafety and environmental control o f agricultural resources o f the Dnipro State Agrarian and Economic University. The activity o f aspartate aminotransferase (AST) and alanine aminotransferase (ALT) was studied in the blood serum o f animals. Biometric research results were processed according to generally accepted methods (Kovalenko et al., 2010). The results. It has been established that the activity o f aspartate aminotransferase (AST) and alanine aminotransferase (ALT) in the blood serum o f young pigs o f the large white breed o f the controlled population corresponds to the physiological norm o f clinically healthy animals, and the age o f reaching a live weight o f 100 kg, the thickness o f lard at the level o f 6 - 7 thoracic vertebrae, and the length o f the chilled carcass belongs to the "elite" class. Taking into account the intrabreed differentiation o f young pigs according to the "intensity offormation" index, it was established that young pigs o f experimental group I (At=0,829 - 1,087points) prevailed over peers II (At=0,573 -к 0,813 points) in terms o f average daily live weight gain, age o f reaching live weight 100 kg, with the thickness o f lard at the level o f 6-7 thoracic vertebrae and the length o f the chilled carcass by 1,25 % on average. Conclusions. It was determined that the activity o f aspartate aminotransferase (AST) and alanine aminotransferase (ALT) in the blood serum o f young pigs o f the experimental groups corresponds to the physiological norm o f clinically healthy animals, and the number o f reliable correlations with fattening and meat qualities is 28,57 %. This indicates the possibility o f using biochemical indexes o f the blood serum for early prediction o f quantitative signs in pigs. The criteria fo r selection o f highly productive animals (sows and boars) according to absolute indexes o f fattening and meat qualities o f their offspring there is their correspondence to the elite class, as well as animals that have an index "the intensity o f formation " ranges from 0.829 to 1.087points

Key words: young pigs, breed, biochemical indexes o f the blood serum, fattening and meat qualities, variability, correlation.

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