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Abstract

Author(s)
Walsh, J. P.; Coates, A.; Lima, F.; Smith, R.; Oikonomou, G.
Publisher
British Cattle Veterinary Association, Quedgeley, UK
Citation
Cattle Practice, 2017, 25, 3, pp 160-161
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
Abstract

The normal time budgets of dairy cows are influenced by oestrus, with cows spending less time resting and eating but more time walking. Previous studies have shown that cows spend approximately 21% less time feeding where the day of oestrus is assumed to be the day of successful artificial ...

Author(s)
Zebari, H. M.; Rutter, S. M.; Bleach, E. C. L.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Applied Animal Behaviour Science, 2018, 206, pp 12-17
Abstract

The objective was to examine (a) how pregnancy rate on one farm (500 cows) was affected by signs of oestrus and disease stressors and (b) whether pregnancy rate could be maximised by considering cow activity. The signs of oestrus and timings were recorded at artificial insemination (AI), and cow...

Author(s)
Bijker, I.; Christley, R. M.; Smith, R. F.; Dobson, H.
Publisher
BMJ Publishing Group, London, UK
Citation
Veterinary Record, 2015, 176, 16, pp 411
Abstract

The objective of this study was to determine the effect on pregnancy outcome of either inseminating heifers twice (at 48 and 72 hours after withdrawal of a controlled internal drug release insert (CIDR) containing progesterone) or once (56 hours after CIDR withdrawal) following a seven-day CIDR...

Author(s)
Walsh, J. P.; Coates, A.; Lima, F.; Smith, R.; Oikonomou, G.
Publisher
BMJ Publishing Group, London, UK
Citation
Veterinary Record, 2017, 181, 22, pp 595
Abstract

The aim of this study was to trial the viability of the vaginal deposition method in UK sheep at pasture during the mating period. 20 Cheviot mule ewes were inseminated once at natural oestrus using frozen-thawed semen from a Texel ram. Oestrus was detected using a vasectomised ram with keel paint. ...

Author(s)
Crilly, J. P.; Sargison, N. D.; Söderquist, L.; Holmström, A.
Publisher
BMJ Publishing Group, London, UK
Citation
Veterinary Record, 2016, 178, 21, pp 532
Abstract

Large percentages of dairy cows do not express behavioural signs of oestrus. Faecal and urine fatty acid concentrations increase during oestrus. The objective of the present study was to determine the milk FA profile of dairy cows during the oestrous and dioestrous periods and the relationship with ...

Author(s)
Zebari, H. M.; Rutter, S. M.; Bleach, E. C. L.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2019, 202, pp 26-34
Abstract

Background: Bovine venereal campylobacteriosis is caused by Campylobacter fetus subsp. venerealis and its glycerine-tolerant variant Campylobacter fetus subsp. venerealis biovars intermedius. The disease can be economically important when present in cattle herds, causing poor reproductive...

Author(s)
Truyers, I.; Luke, T.; Wilson, D.; Sargison, N.
Publisher
BioMed Central Ltd, London, UK
Citation
BMC Veterinary Research, 2014, 10, 280, pp (27 November 2014)
Abstract

Background Bovine tuberculosis (bTB) infection in cattle is a significant economic concern in many countries, with annual costs to the UK and Irish governments of approximately Euro 190 million and Euro 63 million, respectively, for bTB control. The existence of host additive and non-additive...

Author(s)
Richardson, I. W.; Berry, D. P.; Wiencko, H. L.; Higgins, I. M.; More, S. J.; McClure, J.; Lynn, D. J.; Bradley, D. G.
Publisher
BioMed Central Ltd, London, UK
Citation
Genetics, Selection, Evolution, 2016, 48, 19, pp (9 March 2016)
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

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