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).
Highlights
IntroductionIntensification of the pig industry involves, along with improving the conditions of keeping and feeding the use of highly productive breeds, types and lines in the selection process, as well as the development and implementation of effective methods for assessing growth and development in early ontogeny, reproductive capacity of sows and breeding boars, fattening and meat qualities of their offspring (Kabanov, 2009; Allison & Laven, 2000; Aknevs’kyy et al, 2013; Khalak et al, 2020).An important issue is the study of interior features, data analysis and their use as markers of early prediction of signs of fattening, slaughter, meat qualities, as well as physicochemical and chemical properties of muscle tissue and sebum (Lugovoy et al, 2017; Tserenyuk, 2018; Kramarenko et al, 2018; 2019; Martyshuk et al, 2019; 2020; Vuhliar, 2020; Novakovska, 2020; Khalak & Gutyj, 2020).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.Ukrainian Journal of Veterinary and Agricultural Sciences, 2020, Vol 3, N 3
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
According to the results of research it is established that the biochemical parameters of the serum of young pigs correspond to the physiological norm of clinically healthy animals of this species and age
Summary
Intensification of the pig industry involves, along with improving the conditions of keeping and feeding the use of highly productive breeds, types and lines in the selection process, as well as the development and implementation of effective methods for assessing growth and development in early ontogeny, reproductive capacity of sows and breeding boars, fattening and meat qualities of their offspring (Kabanov, 2009; Allison & Laven, 2000; Aknevs’kyy et al, 2013; Khalak et al, 2020).An important issue is the study of interior features, data analysis and their use as markers of early prediction of signs of fattening, slaughter, meat qualities, as well as physicochemical and chemical properties of muscle tissue and sebum (Lugovoy et al, 2017; Tserenyuk, 2018; Kramarenko et al, 2018; 2019; Martyshuk et al, 2019; 2020; Vuhliar, 2020; Novakovska, 2020; Khalak & Gutyj, 2020).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.Ukrainian Journal of Veterinary and Agricultural Sciences, 2020, Vol 3, N 3. An important issue is the study of interior features, data analysis and their use as markers of early prediction of signs of fattening, slaughter, meat qualities, as well as physicochemical and chemical properties of muscle tissue and sebum (Lugovoy et al, 2017; Tserenyuk, 2018; Kramarenko et al, 2018; 2019; Martyshuk et al, 2019; 2020; Vuhliar, 2020; Novakovska, 2020; Khalak & Gutyj, 2020). Ukrainian Journal of Veterinary and Agricultural Sciences, 2020, Vol 3, N 3
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