Proceedings: Effect of lupin grain, wheat and lucerne supplements on ovulation rate in maiden Border Leicester X Merino ewes

Reeve, JL

doi:10.1530/jrf.0.0460519

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“…The increase in ovulation rate following the feeding of supplements of lupin grain to ewes agreed with findings in Western Australia (Lightfoot & Marshall, 1974;Knight et al 1975) and Victoria (Reeve et al 1976). Although the Western Australian work reported increases of up to 40 % in ovulation rate, the ovulation rates increases reported in this study are smaller, averaging only 10 % which approximates that recorded in earlier Victorian studies (Rizzoli et al 1976;Reeve et al 1976).…”

Section: Resultssupporting

confidence: 89%

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Effect of feeding a lupin grain supplement on reproductive performance of maiden and mature ewes

1977

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A study was made of reproductive performance in 183 maiden and 218 mature ewes from a single Merino flock either with or without lupin grain supplement {Lupinus angu8tifolius cv. Uniwhite) at 500 g/head/day from 14 days prior to the introduction of the rams until 12 days post coitus. The ewes were grazed either on irrigated perennial pasture or hay fed on a fallow area. Ovulation rates increased (P < 0-01) in ewes which received the supplement. Insemination rates were not affected by the supplement, although embryo survival was reduced (P < 0-05). Feeding the lupin grain supplement did not increase the number of embryos present at days 28-31 post coitus. Ovulation rate and embryo survival were not influenced by diets of irrigated pasture or hay, although insemination rates of ewes tended to be lower when ewes grazed the irrigated pasture rather than hay.

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Section: Resultssupporting

confidence: 89%

“…In Victoria feeding a lupin grain supplement has been shown to increase live weight by up to 1-5 kg/week (Reeve et al 1976).…”

Section: Resultsmentioning

confidence: 99%

Effect of feeding a lupin grain supplement on reproductive performance of maiden and mature ewes

1977

View full text Add to dashboard Cite

show abstract

Proceedings: Effect of lupin grain, wheat and lucerne supplements on ovulation rate in maiden Border Leicester X Merino ewes

Cited by 1 publication

References 0 publications

Effect of feeding a lupin grain supplement on reproductive performance of maiden and mature ewes

Effect of feeding a lupin grain supplement on reproductive performance of maiden and mature ewes

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