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Abstract

The European Community's leukosis key (EC key) is a well-known hematologic method for detecting bovine leukemia virus (BLV) infection in dairy cattle. The key identifies infected cattle with persistent lymphocytosis via a combination of lymphocyte count (LC) and age. Using the EC key to identify...

Author(s)
Akagami, M.; Oya, S.; Kashima, Y.; Seki, S.; Ouchi, Y.; Hayama, Y.
Publisher
Sage Publications, Thousand Oaks, USA
Citation
Journal of Veterinary Diagnostic Investigation, 2019, 31, 4, pp 568-571
Abstract

Accelerometers have been used to record many cattle postures and behaviours including standing, lying, walking, grazing and ruminating but not cattle drinking behaviour. This study explores whether neck-mounted triaxial accelerometers can identify drinking and whether head-neck position and...

Author(s)
Williams, L. R.; Bishop-Hurley, G. J.; Anderson, A. E.; Swain, D. L.
Publisher
CSIRO, Collingwood, Australia
Citation
Animal Production Science, 2019, 59, 1, pp 122-132
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

Background: Aurochs (Bos primigenius) were distributed throughout large parts of Eurasia and Northern Africa during the late Pleistocene and the early Holocene, and all modern cattle are derived from the aurochs. Although the mtDNA haplogroups of most modern cattle belong to haplogroups T and I,...

Author(s)
Noda, A.; Yonesaka, R.; Sasazaki, S.; Mannen, H.
Publisher
Public Library of Sciences (PLoS), San Francisco, USA
Citation
PLoS ONE, 2018, 13, 1, pp e0190937
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

Adipocyte differentiation-associated long noncoding RNA (ADNCR) is a newly discovered lncRNA. It plays function by targeting miR-204 to significantly regulates the expression of the target SIRT1 gene in preadipocytes both at the level of mRNA and protein, thereby inhibiting adipogenesis. The...

Author(s)
Jin YunYun; Yang Qing; Zhang Meng; Zhang SiHuan; Cai HanFang; Dang RuiHua; Lei ChuZhao; Chen Hong; Lan XianYong
Publisher
Routledge, Philadelphia, USA
Citation
Animal Biotechnology, 2019, 30, 2, pp 159-165
Abstract

Charolais cattle are one of the most important breeds for meat production worldwide; in México, its selection is mainly made by live weight traits. One strategy for mapping important genomic regions that might influence productive traits is the identification of signatures of selection. This type...

Author(s)
Jahuey-Martínez, F. J.; Parra-Bracamonte, G. M.; Sifuentes-Rincón, A. M.; Moreno-Medina, V. R.
Publisher
Wiley, Berlin, Germany
Citation
Journal of Animal Breeding and Genetics, 2019, 136, 5, pp 378-389
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

Preimplantation genomic selection using genomic estimated breeding values (GEBVs) based on single nucleotide polymorphism (SNP) genotypes is expected to accelerate genetic improvement in cattle. To develop a preimplantation genomic selection system for carcass traits in Japanese Black cattle, we...

Author(s)
Fujii, T.; Naito, A.; Hirayama, H.; Kashima, M.; Yoshino, H.; Hanamure, T.; Domon, Y.; Hayakawa, H.; Watanabe, T.; Moriyasu, S.; Kageyama, S.
Publisher
Society for Reproduction and Development, Tokyo, Japan
Citation
Journal of Reproduction and Development, 2019, 65, 3, pp 251-258

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