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Abstract

The European Community's (EC) Key, which is also called Bendixen's Key, is a well-established bovine leukemia virus (BLV) diagnostic method that classifies cattle according to the absolute lymphocyte count and age. The EC Key was originally designed for dairy cattle and is not necessarily suitable...

Author(s)
Mekata, H.; Yamamoto, M.; Kirino, Y.; Sekiguchi, S.; Konnai, S.; Horii, Y.; Norimine, J.
Publisher
Japanese Society of Veterinary Science, Tokyo, Japan
Citation
Journal of Veterinary Medical Science, 2018, 80, 2, pp 316-319
Abstract

The aim of this study was to investigate the persistent infection (PI) of bovine viral diarrhea virus (BVDV) along with its coexistence between BVDV antibody titer and BVD virus in blood of Holstein dairy cows. Only large commercial farms (each contained <1000-3000 unvaccinated cows) were included. There were 11 dairy cattle herds. They included nearly 20,000...

Author(s)
Garoussi, M. T.; Mehrzad, J.; Nejati, A.
Publisher
Springer Berlin, Heidelberg, Germany
Citation
Tropical Animal Health and Production, 2019, 51, 4, pp 853-858
Abstract

The mammalian Y chromosome gene families in the ampliconic region are expressed predominantly or exclusively in the testis, and their copy number variations (CNV) are significantly associated with male reproductive traits, suggesting they have important roles in spermatogenesis and testicular...

Author(s)
Pei, S. W.; Qin, F.; Li, W. H.; Li, F. D.; Yue, X. P.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 8, pp 7226-7236
Abstract

Genomic prediction is widely used to select candidates for breeding. Size and composition of the reference population are important factors influencing prediction accuracy. In Holstein dairy cattle, large reference populations are used, but this is difficult to achieve in numerically small breeds...

Author(s)
Berg, I. van den; Meuwissen, T. H. E.; MacLeod, I. M.; Goddard, M. E.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 4, pp 3155-3174
Abstract

Displacement of abomasum (DA) is one of the most common and important disorders in dairy cattle. The objective of the present study was to detect the quantitative trait loci (QTL) for DA in Chinese Holstein using single-step genomic BLUP methodology. A total of 60,556 producer-recorded DA event...

Author(s)
Huang HeTian; Cao Jie; Guo Gang; Li XiZhi; Wang YaChun; Yu Ying; Zhang ShengLi; Zhang Qin; Zhang Yi
Publisher
Oxford University Press, Cary, USA
Citation
Journal of Animal Science, 2019, 97, 3, pp 1133-1142
Abstract

Defensins especially β-defensins participate in innate immunity to prevent microbial infection of female reproductive system, one of the most important problems in mammal species. So, the purpose of this study was to investigate the presence of polymorphism in β-defensin gene (C/T: position 2239)...

Author(s)
Goroohi, Z.; Sharifiyazdi, H.; Mirzaei, A.
Publisher
Springer Science + Business Media, London, UK
Citation
Comparative Clinical Pathology, 2019, 28, 2, pp 377-382
Abstract

Genotype by environment interaction (G × E) effects for lactating cows' fertility traits may differ with lactation number when accounting for herd production level. Our objective here was to investigate the genetic correlations among three fertility traits in cows and lactation persistency within...

Author(s)
Yamazaki, T.; Takeda, H.; Osawa, T.; Yamaguchi, S.; Hagiya, K.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Livestock Science, 2019, 219, pp 97-103
Abstract

The aim of this study was to evaluate the concentrations of total (T-GSH), oxidized (GSSG) and reduced glutathione (GSH) in blood of clinically healthy calves, to assess the effect of sex and age together with the type of feeding on its concentrations, and to assess the relationships between...

Author(s)
Nečasová, A.; Pechová, A.; Bodor, R.; Masár, M.; Holasová, M.
Publisher
University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic
Citation
Acta Veterinaria Brno, 2019, 88, 2, pp 129-141
Abstract

The objective of this study was to investigate the effect of three methods of oral selenium-enriched yeast (Se-yeast) supplementation on the blood characteristics and growth of Holstein dairy calves. The three methods were: (1) maternal (dams supplemented with 0.3 mg Se per kg of dietary DM during...

Author(s)
Mohrekesh, M.; Shahraki, A. D. F.; Ghalamkari, G. R.; Guyot, H.
Publisher
CSIRO, Collingwood, Australia
Citation
Animal Production Science, 2019, 59, 2, pp 260-265
Abstract

Aims: To provide herd managers with a set of decision rules allowing them to predict the likelihood that a juvenile bull is ready for Bull Breeding Soundness Evaluation (BBSE), or breeding, if bodyweight and scrotal circumference are known. Methods: This was a longitudinal study following two...

Author(s)
Waite, R. K.; Dwyer, C. J.; Beggs, D. S.; Mansell, P. D.; Stevenson, M. A.; Pyman, M. F.
Publisher
Taylor & Francis, Melbourne, Australia
Citation
New Zealand Veterinary Journal, 2019, 67, 3, pp 109-116

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