Physicochemical properties and chemical composition of muscle tissue of young pigs of large white breed and their correlation with some serum enzymes


  • V. I. Khalak State Institution Institute of grain crops of NAAS, V. Vernadsky Str., 14, Dnipro, 49027, Ukraine https://orcid.org/0000-0002-4384-6394
  • B. V. Gutyj Stepan Gzhytskyi National University of Veterinary Medicine and Biotechnologies Lviv, Pekarska Str., 50, Lviv, 79010, Ukraine https://orcid.org/0000-0002-5971-8776
Keywords: young pigs, breed, serum biochemical parameters, physicochemical properties and chemical composition of muscle tissue, variability, correlation

Abstract

The aim of the study was to investigate the biochemical parameters of blood serum, physicochemical properties and chemical composition of muscle tissue of young white pigs of English origin, as well as to calculate the level of correlations between the main quantitative traits. The experimental part of the work was carried out in LTd “AF” Dzerzhynets” Dnipropetrovsk region, Research Center for Biosafety and Environmental Control of Agricultural Resources Dnipro State Agrarian and Economic University, Ltd “Globinsky Meat Plant” Poltava region, laboratory of zootechnical analysis of the Institute of Pig Breeding and Agriculture and livestock laboratories of the Institute of Cereals NAAS. Blood sampling for biochemical studies was performed in 5-month-old animals, serum activity of aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase and α-amylase was determined. Physicochemical properties and chemical composition of the longest muscle of the back (m. Longissimus dorsi) were studied on the indicators of “moisture holding capacity, %”, “color intensity, units. ext. × 1000”, “tenderness”, c, “fat content, %”, “total moisture content, %”, “protein content, %”, “heat loss, %”, and “energy value of muscle tissue, kcal”. It was found that the biochemical parameters of blood serum of young pigs of large white breed at 5 months of age correspond to the physiological norm of clinically healthy animals. Thus, the activity of aspartate aminotransferase (AST) is 1.33 ± 0.074 mmol/h/l, alanine aminotransferase (ALT) – 1.87 ± 0.063 mmol/h/l, alkaline phosphatase – 291.99 ± 12.517 IU/l,α-amylase – 169.82 ± 5.005 g/h×l. Studies of physicochemical properties and chemical composition of samples of the longest back muscle of young pigs of large white breed show that the number of high quality samples in terms of “moisture holding capacity, %” is equal to 12.0%, “color intensity, units. ext. × 1000” – 16.0 %, “tenderness, c” – 12.0 % and “fat content, %” – 16.0 %. Significant correlations were established between the following pairs of features: moisture holding capacity, % × protein content, % (-0.484 ± 0.1825, tr = 2.65), moisture holding capacity, % × heat loss, % -0.416 ± 0.1896, tr = 2.19), fat content, % × moisture holding capacity, %, (-0.450 ± 01862, tr = 2.42), fat content, % × energy value, kcal (0.836 ± 0.1144, tr = 7.31), alanine aminotransferase (ALT) activity, mmol/h/l × pH, units of acidity, (0.443 ± 0.1859, tr = 2.37), alkaline phosphatase activity, units/l × color intensity, units. ext. × 1000
(-0.483 ± 0.1826, tr = 2.65), alkaline phosphatase activity, units/l × P, % (0.484 ± 0.1825, tr = 2.65).

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Published
2020-08-19
How to Cite
Khalak, V., & Gutyj, B. (2020). Physicochemical properties and chemical composition of muscle tissue of young pigs of large white breed and their correlation with some serum enzymes. Ukrainian Journal of Veterinary and Agricultural Sciences, 3(3), 34-38. https://doi.org/https://doi.org/10.32718/ujvas3-3.07