10/7/2023 0 Comments Capas tropico 1![]() ![]() Repeatability were calculated using the between and within ewe components of variance. Mixed models were used to determine the effects of farm, lambing season or birth, year of lambing or birth and parity number on above traits. ![]() The assessed traits were age at first lambing (AFL), lambing interval (LI), litter size at birth (LSB), litter size at weaning (LSW), litter weight at birth (LWB) and litter weight at weaning adjusted to 60 days (LWWA). ![]() Information of 956 Pelibuey ewes lambing from 2007 to 2013 in three farms were used ( nā=ā2215 lambing). The objective of this study was to determine the effect of some environmental factors on reproductive and productive performance traits and to estimate their repeatability in Pelibuey ewes in Yucatan, Mexico.
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