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Abstract

Background: Body weight (BW) at different ages are of increasing importance in dairy cattle breeding schemes, because of their strong correlation with energy efficiency traits, and their impact on cow health, longevity and farm economy. In total, 15,921 dairy cattle from 56 large-scale test-herds...

Author(s)
Yin Tong; König, S.
Publisher
BioMed Central Ltd, London, UK
Citation
Genetics, Selection, Evolution, 2019, 51, 4, pp (06 February 2019)
Abstract

High-producing dairy cows experience a state of negative energy balance in the periparturient period that is partially addressed by increasing the rate of fat and protein mobilization. Previous studies have focused on the rate of fat mobilization, and consequently the rate of protein mobilization...

Author(s)
Megahed, A. A.; Hiew, M. W. H.; Ragland, D.; Constable, P. D.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 6, pp 5550-5565
Abstract

A healthy sucking reflex is essential for newborn calves to ensure sufficient colostrum intake in the first few hours postpartum. In recent decades, European Brown Swiss breeders have repeatedly reported that some calves lack the ability to consume colostrum directly after birth due to an absent...

Author(s)
Dreher, C.; Wellmann, R.; Stratz, P.; Schmid, M.; Preuss, S.; Hamann, H.; Bennewitz, J.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 7, pp 6296-6305
Abstract

Gene editing technologies, such as CRISPR-Cas9, have important applications in mammalian embryos for generating novel animal models in biomedical research and lines of livestock with enhanced production traits. However, the lack of methods for efficient introduction of gene editing reagents into...

Author(s)
Miao DeQiang; Giassetti, M. I.; Ciccarelli, M.; Lopez-Biladeau, B.; Oatley, J. M.
Publisher
Oxford University Press, Cary, USA
Citation
Biology of Reproduction, 2019, 101, 1, pp 177-187
Abstract

Increased market pressure to improve meat yield and quality require improved methods of predicting body composition in growing animals. Current systems of animal nutrition based on nutrient supply and animal characteristics predict animal growth from nutrient inputs, but, as of yet, do not...

Author(s)
Oddy, V. H.; Dougherty, H. C.; Oltjen, J. W.
Publisher
CSIRO, Collingwood, Australia
Citation
Animal Production Science, 2019, 59, 11, pp 1970-1979
Abstract

We performed genome-wide association analyses for milk, fat, and protein yields and somatic cell score based on lactation stages in the first 3 parities of Canadian Ayrshire, Holstein, and Jersey cattle. The genome-wide association analyses were performed considering 3 different lactation stages...

Author(s)
Oliveira, H. R.; Cant, J. P.; Brito, L. F.; Feitosa, F. L. B.; Chud, T. C. S.; Fonseca, P. A. S.; Jamrozik, J.; Silva, F. F.; Lourenco, D. A. L.; Schenkel, F. S.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 9, pp 8159-8174
Abstract

Bovine tuberculosis (bTB) is an infectious disease of cattle generally caused by Mycobacterium bovis, a bacterium that can elicit disease humans. Since the 1950s, the objective of the national bTB eradication program in Republic of Ireland was the biological extinction of bTB; that purpose has yet...

Author(s)
Ring, S. C.; Purfield, D. C.; Good, M.; Breslin, P.; Ryan, E.; Blom, A.; Evans, R. D.; Doherty, M. L.; Bradley, D. G.; Berry, D. P.
Publisher
Public Library of Sciences (PLoS), San Francisco, USA
Citation
PLoS ONE, 2019, 14, 2, pp e0212067
Abstract

The objective of this study was to evaluate the performance of existing models predicting enteric methane (CH4) emissions, using a large database (3183 individual data from 103 in vivo studies on dairy and beef cattle, sheep and goats fed diets from different countries). The impacts of dietary...

Author(s)
Benaouda, M.; Martin, C.; Li XinRan; Kebreab, E.; Hristov, A. N.; Yu ZhongTang; Yáñez-Ruiz, D. R.; Reynolds, C. K.; Crompton, L. A.; Dijkstra, J.; Bannink, A.; Schwarm, A.; Kreuzer, M.; McGee, M.; Lund, P.; Hellwing, A. L. F.; Weisbjerg, M. R.; Moate, P. J.; Bayat, A. R.; Shingfield, K. J.; Peiren, N.; Eugène, M.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Animal Feed Science and Technology, 2019, 255, pp 114207
Abstract

Paratuberculosis or Johne's disease (JD), is a chronic infectious disease causing intractable diarrhea in cattle, which leads to less productivity, such as decreased milk yield, and lower daily weight gain. As a control measure against JD in cattle, national serological surveillance has been...

Author(s)
Yamamoto, T.; Murai, K.; Hayama, Y.; Kobayashi, S.; Nagata, R.; Kawaji, S.; Osaki, M.; Sakakibara, S.; Tsutsui, T.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Preventive Veterinary Medicine, 2018, 149, pp 38-46
Abstract

Background: Although genome-wide association and genomic selection studies have primarily focused on additive effects, dominance and imprinting effects play an important role in mammalian biology and development. The degree to which these non-additive genetic effects contribute to phenotypic...

Author(s)
Jiang JiCai; Shen BoTong; O'Connell, J. R.; VanRaden, P. M.; Cole, J. B.; Ma Li
Publisher
BioMed Central Ltd, London, UK
Citation
BMC Genomics, 2017, 18, 425, pp (30 May 2017)

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