Published in Scientific Papers. Series D. Animal Science, Vol. LXV, Issue 1
Written by Tsvetomira BANCHEVA, Svetoslava STOYCHEVA, Tsvetelina DIMITROVA, Nikolay MARKOV, Lora MONDESHKA, Miroslav HRISTOV
The survival of the newborn in the first days is directly dependent on live birth weight. The indicator is related to the vitality and mortality of lambs, and also plays an important role in the later development of the young organism. Factors influencing live birth weight are genetic (breed, the effect of heterosis) and non-genetic (age, weight, body condition of the sheep, diet, year, season, month of birth, type of birth, sex, etc.). In all mammals, there is an "optimal" birth weight, as a result of which the birth process proceeds naturally and without complications. The objective of this survey is to investigate and summarize the factors that affect live birth weight of lambs.
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