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Abstract

Rib bone biopsy samples are often used to estimate changes in skeletal mineral reserves in cattle but differences in sampling procedures and the bone measurements reported often make interpretation and comparisons among experiments difficult. 'Full-core' rib bone biopsy samples, which included the...

Author(s)
Dixon, R. M.; Coates, D. B.; Mayer, R. J.; Miller, C. P.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2019, 13, 1, pp 119-126
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

The aim of the present study was to identify copy-number variations (CNVs) in Cinisara (CIN) and Modicana (MOD) cattle breeds on the basis of signal intensity (logR ratio) and B allele frequency of each marker, using Illumina's BovineSNP50K Genotyping BeadChip. The CNVs were detected with the...

Author(s)
Gerlando, R. di; Sardina, M. T.; Tolone, M.; Sutera, A. M.; Mastrangelo, S.; Portolano, B.
Publisher
CSIRO, Collingwood, Australia
Citation
Animal Production Science, 2019, 59, 5, pp 815-822
Abstract

Background: Cattle rearing in Cameroon is both economically and culturally important, however parasitic diseases detrimentally impact cattle productivity. In sub-Saharan Africa bovine fasciolosis is generally attributed to F. gigantica, although understanding of Fasciola species present and local...

Author(s)
Kelly, R. F.; Mazeri, S.; Hartley, C.; Hamman, S. M.; Ngwa, V. N.; Nkongho, E. F.; Tanya, V.; Sander, M.; Ndip, L.; Morgan, K. L.; Muwonge, A.; Handel, I.; Bronsvoort, B. M. C. de; Williams, D. J. L.
Publisher
BioMed Central Ltd, London, UK
Citation
BMC Veterinary Research, 2019, 15, 8, pp (03 January 2019)
Abstract

Visual assessment in the milking parlour is a commonly used method to determine the prevalence and severity of bovine digital dermatitis (BDD). It is generally suggested that cows' feet are washed prior to examination to maximise the sensitivity of the assessment, but concern has been expressed...

Author(s)
Yang, D. A.; Laven, R. A.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Journal, 2019, 247, pp 38-43
Abstract

Recent studies have demonstrated that Linear mixed model (LMM) successfully correct for population structure and genetic relatedness in genome-wide association studies (GWAS). However, currently available LMM methods usually suffer from computational inefficiency. Here, we propose a novel method,...

Author(s)
Chang TianPeng; Wei JuLong; Wang XiaoQiao; Miao Jian; Xu LingYang; Zhang LuPei; Gao Xue; Chen Yan; Li JunYa; Gao HuiJiang
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Livestock Science, 2019, 220, pp 37-45
Abstract

A portable ion-selective electrode (ISE) meter (LAQUAtwin B-722; Horiba Instruments Inc., Irvine, CA) is available for measuring the sodium ion concentration ([Na]) in biological fluids. The objective of this study was to characterize the analytical performance of the ISE meter in measuring [Na] in ...

Author(s)
Megahed, A. A.; Hiew, M.; Grünberg, W.; Trefz, F. M.; Constable, P. D.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 8, pp 7435-7444
Abstract

The measurement of the respiration rate (RR) in cattle is a valuable tool for monitoring health status. Thus, an RR sensor can be essential for stress detection, especially heat stress. Heat stress leads to a deviation of the normal RR and results in a decrease of milk production and fertility....

Author(s)
Strutzke, S.; Fiske, D.; Hoffmann, G.; Ammon, C.; Heuwieser, W.; Amon, T.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 1, pp 690-695
Abstract

Background: Single-step genomic best linear unbiased prediction (SSGBLUP) is a comprehensive method for genomic prediction. Point estimates of marker effects from SSGBLUP are often used for genome-wide association studies (GWAS) without a formal framework of hypothesis testing. Our objective was to ...

Author(s)
Aguilar, I.; Legarra, A.; Cardoso, F.; Masuda, Y.; Lourenco, D.; Misztal, I.
Publisher
BioMed Central Ltd, London, UK
Citation
Genetics, Selection, Evolution, 2019, 51, 28, pp (20 June 2019)

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