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    • swine

    • One of the increase of productive qualities of pigs is studying interior features.
    • The blood is in a functional connection with the main types of animal productivity.
    • The interior researches make possible to predict the future swine performance.
    • Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) in blood has positively correlation with the meatiness, fertility and growth.
    • Its determines the level of productivity of animals.
    • The article provides the results of research about interior parameters of pigs with different genotypes.
  • The studies were conducted under conditions of “Freedom Farm Bacon”, Kherson region.
    • The interior researches of pigs performed at 4 months of age with the following by indicators and techniques such as: total protein content - Biuret method, the activity of aminotransferases (AST and ALT) - Reitman and Frenkels method listed in the directory by V.V. Menshikov.
  • The object of the research was on the pigs Large White breed and hybrids: Large White × Landrace, Duroc × Pietrain and Pietrain × Duroc.
  • Our study confirms the results of scientists, which says about increased total protein in blood serum of the quick-grows pigs.
  • Crossbred young animals had higher values of total protein in the blood than purebred pigs of Large White breed.
  • This index stood for pigs of ♀D×♂P and ♀P×♂D combinations at 67,60 ....63,00 g/l, respectively.
  • The investigations of blood from young pigs, which were obtained from boars of different genotypes, suggest that more intensive growth of ♀D×♂P and ♀P×♂D animal groups led to a higher protein content in the blood serum, which is closely related to muscle growth process.
  • It has been established that the definition of interior tests in 4-months age allows to predict the age, when the pigs achieve the weight of 100 kg and the daily gain of pigs in the control fattening.

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