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Animal Science Database

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Abstract

Jersey cattle are the second most prominent breed in the United States and represent a growing portion of the dairy cow population in the United States. The objectives of our study were to determine the male lineages of Jersey sires with official genetic evaluations and to determine whether there...

Author(s)
Dechow, C. D.; Liu, W. S.; Idun, J. S.; Maness, B.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2018, 101, 3, pp 2281-2284
AbstractFull Text

Nordic Cattle Genetic Evaluation (NAV) has recently updated the joint Nordic fertility evaluation launched in 2005. Countries belonging to EuroGenomics Cooperative are harmonizing fertility evaluations to increase the benefit of using the common reference population for genomic evaluation. As a...

Author(s)
Tyrisevä, A. M.; Muuttoranta, K.; Pösö, J.; Nielsen, U. S.; Eriksson, J. Ǻ.; Aamand, G. P.; Mäntysaari, E. A.; Lidauer, M. H.
Publisher
Interbull Centre, Uppsala, Sweden
Citation
Interbull Bulletin, 2017, No.51, pp 57-62
Abstract

To assess the impact of farm management on herd fertility, a survey of 105 beef farms in Northern Ireland was conducted to establish the relationship between management variables and fertility. Each herd's average calving interval (CI) and the proportion of cows with a CI >450 days (extended...

Author(s)
Titterington, F. M.; Lively, F. O.; Ashfield, A.; Gordon, A. W.; Lowe, D. E.; Morrison, S. J.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Journal of Agricultural Science, 2017, 155, 6, pp 1005-1021
Abstract

This article describes a case report on the transmission of Campylobacter sp. by using bulls for hire and taking cattle to a different herd for breeding purposes, including diagnosis and treatment. The use of alternative breeding strategies like artificial insemination are also discussed.

Author(s)
Baseley, K.
Publisher
UK Vet Publications, Newbury, UK
Citation
UK Vet: Livestock, 2011, 16, 3, pp 29-30
Abstract

Reproductive technologies including AI have been increasingly adopted worldwide by the dairy industry. Inadequate oestrus detection and labour required for oestrus detection are major reasons why AI is used infrequently in beef production (Kyle and others 1998). Oestrus synchronisation protocols...

Author(s)
Statham, J. M. E.
Publisher
British Cattle Veterinary Association, Quedgeley, UK
Citation
Cattle Practice, 2015, 23, 1, pp 74-97
Abstract

Publisher
Veepro Holland, Arnhem, Netherlands
Citation
Veepro Magazine, 2013, 84, pp 1-4
Abstract

Future progress in genetic improvement and the monitoring of genetic resources in beef cattle requires a detailed understanding of the population under selection. This study examines the gene flow in the UK beef population with an uncommon breeding structure involving interaction between the beef...

Author(s)
Todd, D. L.; Woolliams, J. A.; Roughsedge, T.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2011, 5, 12, pp 1874-1886
Abstract

Bull fertility and infertility is an important part of cattle breeding yet to a large degree our knowledge base is built on information from artificial insemination centres, case studies and anecdote. The recent interest in Breeding Soundness Evaluation (BSE) of young bulls in the UK allows an...

Author(s)
Logue, D. N.; Williams, E. J.; Crawshaw, W. M.
Publisher
British Cattle Veterinary Association, Frampton-on-Severn, UK
Citation
Cattle Practice, 2005, 13, 3, pp 189-197
Abstract

Genetic improvement of dairy cows, which has increased the milk yield of cows in the UK by 1200 kg per lactation in 12 years, is an excellent example of the application of quantitative genetics to agriculture. The most important traits of dairy cattle are expressed only in females, but the main...

Author(s)
Brotherstone, S.; Goddard, M.
Publisher
Royal Society, London, UK
Citation
Philosophical Transactions of the Royal Society B. Biological Sciences, 2005, 360, 1459, pp 1479-1488
Abstract

The fertility of 5 dairy herds was studied for 3 years while they initiated a programme of do-it-yourself artificial insemination (DIY AI) and kept a herd bull, and the financial impact of the new programme was assessed. The herds of approximately 100 cows were all Friesian pedigree, changing to...

Author(s)
Shaw, C.; Dobson, H.
Citation
Veterinary Record, 1996, 139, 24, pp 594-597

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