G
Geoff Simm
Researcher at Scottish Agricultural College
Publications - 108
Citations - 3552
Geoff Simm is an academic researcher from Scottish Agricultural College. The author has contributed to research in topics: Dairy cattle & Scottish Blackface. The author has an hindex of 33, co-authored 101 publications receiving 3365 citations.
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The Relationship Between Body Condition Score and Reproductive Performance
TL;DR: The relationship between body condition score and production was strong, but, even after adjusting for yield, an unfavorable relationship still exists betweenBody condition score could be used as a management and selection tool to improve reproductive performance.
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Genetic aspects of common health disorders and measures of fertility in Holstein Friesian dairy cattle.
TL;DR: The unfavourable correlation between milk yield and health and fertility traits, plus the economic importance of the latter, suggests that future breeding goals should be expanded to include some health disorders and fertility.
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Linear and threshold model genetic parameters for disease, fertility and milk production in dairy cattle
TL;DR: Results show that future selection programmes should include disease and fertility for genetic improvement of health and reproduction and for sustained economic growth in the dairy cattle industry.
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Genotype and feeding system effects and interactions for health and fertility traits in dairy cattle
TL;DR: The results, in line with those from studies in large populations, suggest that as genetic merit for production rises, fertility and some aspects of health are deteriorating.
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Estimation of genetic parameters using health, fertility and production data from a management recording system for dairy cattle
TL;DR: The potential use of linear type scores as predictors of the health traits was investigated by regressing health traits on sire predicted transmitting abilities for type and the results indicate that some type traits may be useful as future selection criteria.