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AbstractFull Text

These proceedings contain 15 articles from various experts on dairy and beef cattle. Topics discussed are availability and use of genetic and genomic information in dairy and beef herd management; addressing the challenges of genomic selection in international genetic and genomic evaluations in...

Publisher
Interbull Centre, Uppsala, Sweden
Citation
Interbull Bulletin, 2018, No.53, pp 1-84
Abstract

The beef cattle breeding industry has undergone modernization and intensivization, especially in developed countries, resulting in shortened the slaughter time and reduced feeding costs, by use of advanced equipment for the purpose of improving economic efficiency. The purpose of this paper was to...

Author(s)
Yang Meng; Wang ShaoHua; Ni LiLi; Zhang YiNan; Guan Ming
Publisher
Chinese Academy of Agricultural Sciences (CAAS), Scientech Documentation and Information Centre, Beijing, China
Citation
The Proceedings of the Eleventh China Cattle Industry Development Conference in 2016, Sichuan, China, 27 - 28 September, 2016, 2017, pp 200-209
Abstract

The objective of this study was the estimation of genetic correlation (rg) for milk production traits across milking frequency (MF) in New Zealand dairy cattle milked once-(OAD) or twice-a-day (TAD). Analysis was made of lactation yields of milk, fat and protein, and somatic cell score of...

Author(s)
Lembeye, F.; López-Villalobos, N.; Burke, J. L.; Davis, S. R.
Publisher
Taylor & Francis, Melbourne, Australia
Citation
New Zealand Journal of Agricultural Research, 2018, 61, 1, pp 92-101
Abstract

Vaccination of cattle with Mycobacterium bovis BCG has been shown to protect against infection with virulent strains of M. bovis, and against resultant bovine tuberculosis (TB). Here we report on a large-scale trial in New Zealand where free-ranging cattle were vaccinated with 3 x 105 BCG via...

Author(s)
Nugent, G.; Yockney, I. J.; Cross, M. L.; Buddle, B. M.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Vaccine, 2018, 36, 48, pp 7338-7344
Abstract

A survey was conducted to identify: (1) the number of dairy farms that train their heifers to the milking parlour prior to calving, (2) the reasons why farmers chose to train or not and (3) what training methods farmers use. The questionnaire was sent to 250 randomly selected dairy farmers within...

Author(s)
Sutherland, M.; White, T.; Chen, L.; Hempstead, M.; Huddart, F.
Publisher
New Zealand Society of Animal Production, Hamilton, New Zealand
Citation
Proceedings of the New Zealand Society of Animal Production, 2018, 78, pp 177-182
Abstract

Numerous treatments and protocols have been used to control the reproductive cycle in cattle, with varying effectiveness and many involving the administration of steroid hormones. Steroid hormones, such as estradiol, are perceived as having a negative impact on consumer health. This internationally ...

Author(s)
Yapura, M. J.; Zwiefelhofer, E. M.; Pierson, R. A.; Adams, G. P.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2018, 112, pp 18-25
Abstract

Since 2012, New Zealand has suffered from an epidemic of infectious bovine anaemia associated with T. orientalis (Ikeda), an obligate intracellular protozoan parasite of cattle. Despite widespread agreement that T. orientalis (Ikeda) infection has impacted beef and dairy farming in New Zealand...

Author(s)
Lawrence, K. E.; Gibson, M.; Hickson, R. E.; Gedye, K.; Hoogenboom, A.; Fermin, L.; Draganova, I.; Pomroy, W. E.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Parasitology: Regional Studies and Reports, 2018, 14, pp 85-93
Abstract

AIM: To determine the impact of sodium molybdate treatment, given weekly, on concentrations of Cu in liver, activity of liver enzymes, and weight gain over 4 weeks, in yearling bulls with elevated concentrations of Cu in liver. METHODS: The study was carried on two commercial grazing farms in the...

Author(s)
Cuttance, E. L.; Laven, R. A.; Watts, A.
Publisher
Taylor & Francis, Melbourne, Australia
Citation
New Zealand Veterinary Journal, 2018, 66, 4, pp 194-198
Abstract

Sub-clinical mastitis (SCM) affects milk composition. In this study, we hypothesise that large-scale mining of milk composition features by pattern recognition models can identify the best predictors of SCM within the milk composition features. To this end, using data mining algorithms, we...

Author(s)
Ebrahimie, E.; Ebrahimi, F.; Ebrahimi, M.; Tomlinson, S.; Petrovski, K. R.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Journal of Dairy Research, 2018, 85, 2, pp 193-200
Abstract

AIMS: To determine the impact of treatment with internal teat sealant (ITS) compared to no treatment at drying-off on the incidence of clinical mastitis (CM) during the dry period and 84 days after calving, and the prevalence of cows with somatic cell counts (SCC) ≥200,000 cells/mL at the first...

Author(s)
Bates, A. J.; Saldias, B.
Publisher
Taylor & Francis, Melbourne, Australia
Citation
New Zealand Veterinary Journal, 2018, 66, 2, pp 64-71

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