Longitudinal assessment of the impact of aging on wastage, productivity and welfare of ewes

Review Veterinary Sciences

Ewe wastage in commercial sheep flocks: a review of current knowledge

K. J. Flay et al.

Summary: This article reviews the relevance and challenges of investigating ewe wastage, outlining culling and mortality data and describing the causes. Known key risk factors are discussed and future areas of research are identified.

NEW ZEALAND VETERINARY JOURNAL (2022)

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Article Agriculture, Dairy & Animal Science

Bio-economic modelling of sheep meat production systems with varying flock litter size using field data

L. Farrell et al.

Summary: This study uses field data and statistical relationships to analyze the impact of litter size on flock productivity and gross margin. The results show that increasing litter size leads to a higher proportion of multiple births and increased flock gross margin. However, there is diminishing economic returns at very high litter sizes.

ANIMAL (2022)

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Article Agriculture, Dairy & Animal Science

Ewe Wastage in New Zealand Commercial Flocks: Extent, Timing, Association with Hogget Reproductive Outcomes and BCS

Kate J. Flay et al.

Summary: Ewe wastage is a combination of on-farm mortality and premature culling. This study is the first to report actual wastage incidence and causes in commercial sheep flocks in New Zealand. Pre-mating body condition score was identified as a predictor of wastage.

ANIMALS (2021)

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Article Agriculture, Dairy & Animal Science