Reproductive Performance in Large White Yorkshire Crosses

D. Cauveri; K. Ganeshkumar; T. Sivakumar; P. Devendran

Reproductive Performance in Large White Yorkshire Crosses

D. Cauveri ¹, K. Ganeshkumar ², T. Sivakumar ², P. Devendran ¹

Affiliations
1 Department of Animal Genetics and Breeding, Madras Veterinary College, Chennai-600 007, India
2 Department of Livestock Production and Management, Madras Veterinary College, Chennai-600007, India

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The litter traits of Large White Yorkshire crosses viz. LWY×desi (50% LWY, n=59) and LWY x 50% LWY (75% LWY, n=70) in three consecutive generations (F₁, F₂ and F₃) were recorded. The data were analysed on both the genetic groups in three generations for reproductive traits viz. litter size at birth, litter size at weaning, litter weight at birth and litter weight at weaning. The overall mean litter size at birth and weaning were 5.26±0.22 and 4.86±0.20 respectively. The litter size at birth did not vary significantly between F₂ and F₃ while both differed significantly (P<0.01) with F₁.