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Showing 1 to 3 of 3 for “"lamb birth weight"”.
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The effect of early-pregnancy nutrition on lamb birth weight in fecund Booroola-Merino cross sheep
The effects of ewe nutrition and live weight change during early-pregnancy on lamb birth weight were studied. 218 Booroola cross Coopworth ewes carrying at least one copy of the F gene were stratified according to live weight, breed and age, and randomly allocated to a high(H), medium (M) or low …
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Budget analysis of quarter-Finn and Western ewes in spring- and fall-lambing systems
… ewes were bred to Suffolk-Hampshire rams to lamb in either spring (March) or fall (September). Effects of ewe breed type and lambing season on ewe fertility (ewes lambing/ewes exposed), prolificacy (lambs born/ewe lambing) and lambing date, and on lamb birth weight, 30-d survival, and average …
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Phenotypic and genetic evaluation of fitness characteristics in sheep under a range environment
… genetic and environmental relationships between lamb and ewe traits including body weight, fleece weight and quality, prolificacy, body condition, ewe stayability and lamb survival. Average heritability estimates for lamb birth weight (BWT), weaning weight (WW), maternal weaning weight, yearling …