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Autor:
A.S. Kramarenko, Zh.V. Ignatenko, S.I. Lugovoy, T.V. Pidpala, O.I. Karatieieva, O.I. Yulevich, O.V. Artyuhova, S.S. Kramarenko
Publikováno v:
Ukrainian Journal of Ecology, Vol 10, Iss 1, Pp 307-312 (2020)
This study examines certain identifiable non-genetic sources of variation (parity number, year and season farrowing) for their effects on Large White sow litter performance traits, such as litter size, mortality and weight of piglets at birth and at