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Veterinary information to support practice, based on evidence and continuing education

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Abstract

In cattle breeding, the development of genomic selection strategies based on single nucleotide polymorphism (SNP) interrogation has led to improved rates of genetic gain. Additionally, the application of genomic selection to in-vitro produced (IVP) embryos is expected to bring further benefits...

Author(s)
Turner, K. J.; Silvestri, G.; Black, D. H.; Dobson, G.; Smith, C.; Handyside, A. H.; Sinclair, K. D.; Griffin, D. K.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2019, 125, pp 249-258
Abstract

Blood tests for early detection of pregnancy in cattle based on pregnancy-associated glycoproteins (PAGs) are commercially available. The objective of these studies were to compare the accuracy of blood tests to transrectal ultrasonography in detecting AI pregnancies, and to compare the accuracy of ...

Author(s)
Northrop, E. J.; Rich, J. J. J.; Rhoades, J. R.; Perry, G. A.
Publisher
Public Library of Sciences (PLoS), San Francisco, USA
Citation
PLoS ONE, 2019, 14, 1, pp e0211179
Abstract

Sex chromosomes are generally excluded from genomic analyses, although X chromosome is the second largest chromosome and harbors many genes. The objective of this study was to evaluate the effect of X chromosome by identifying its regions associated with reproductive traits in Nelore cows through a ...

Author(s)
Carvalho, C. V. D.; Hermisdorff, I. da C.; Souza, I. S.; Junqueira, G. S. B.; Magalhães, A. F. B.; Fonseca, L. F. S.; Albuquerque, L. G. de; Tonhati, H.; Carvalheiro, R.; Camargo, G. M. F. de; Costa, R. B.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Livestock Science, 2019, 220, pp 152-157
Abstract

Background: No comprehensive studies have been carried out on the infectious causes of abortion in Kenyan dairy cattle herds. A survey was carried out to determine the seroprevalence of antibodies against Bovine Viral Diarrhoea Virus (BVDV), Brucella abortus (BA) and Neospora caninum (NC) among...

Author(s)
Okumu, T. A.; John, N. M.; Wabacha, J. K.; Tsuma, V.; VanLeeuwen, J.
Publisher
BioMed Central Ltd, London, UK
Citation
BMC Veterinary Research, 2019, 15, 95, pp (18 March 2019)
Abstract

The objective of this experiment was to evaluate effects of supplemental progesterone immediately following transfer of frozen-thawed, IVP embryos on P/ET. Holstein heifers (n=452), allocated to nine transfer groups over time, were assigned to be embryo recipients in a completely randomized study...

Author(s)
Steichen, M. M.; Larson, J. E.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2019, 203, pp 45-51
Abstract

This research paper addresses the hypothesis that in times of negative energy balance around parturition in dairy cattle, lipids stored in adipocytes are mobilised in a more intensive manner out of the abdominal depots than out of the subcutaneous adipose tissues. Furthermore, the impact of niacin...

Author(s)
Ruda, L.; Raschka, C.; Huber, K.; Tienken, R.; Meyer, U.; Dänicke, S.; Rehage, J.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Journal of Dairy Research, 2019, 86, 3, pp 296-302
Abstract

This study was conducted to determine the effects of bypass fat on postpartum reproductive performance in dairy cattle. A total of 40 advance pregnant crossbred dairy cows of 2nd to 5th parity were randomly divided into two groups, control (n=10) and treatment (n=30). The control animals were...

Author(s)
Nirwan, S. S.; Mehta, J. S.; Ashok Kumar; Pramod Kumar; Arvind Kumar; Vikramjit Singh
Publisher
Indian Dairy Association, New Delhi, India
Citation
Indian Journal of Dairy Science, 2019, 72, 2, pp 194-200
Abstract

Inheritance of fertility traits in cattle is complex since they are controlled by multiple loci. Genome-wide association studies are an efficient tool to detect genomic regions that explain the phenotypic variation for a trait of interest. The aim of this study was to identify genomic regions that...

Author(s)
Fernández, J. C.; Pérez, J. E.; Herrera, N.; Martínez, R.; Bejarano, D.; Rocha, J. F.
Publisher
FUNPEC, Brazil
Citation
Genetics and Molecular Research, 2019, 18, 2, pp GMR18258
Abstract

We describe the successful surgical repair of third-degree perineal lacerations with rectovestibular fistulae in four cases using the single-stage modified Aanes method with purse-string suture of the vaginal vestibule and rectum. Fistulae formation and dehiscence of the repair were not observed...

Author(s)
Sato, R.; Kamimura, N.; Kaneko, K.
Publisher
Japanese Society of Veterinary Science, Tokyo, Japan
Citation
Journal of Veterinary Medical Science, 2019, 81, 5, pp 703-706
Abstract

Enteric CH4 emissions from ruminant livestock represent a loss of dietary energy and contribute to greenhouse gas emissions, actually, that is depending on feeding level and diet composition. We calculated emission factors of methane depending to enteric fermentation of Holstein cattle in Andean...

Author(s)
Silva Parra, A.; Mora-Delgado, J.
Publisher
Springer, Amsterdam, Netherlands
Citation
Agroforestry Systems, 2019, 93, 3, pp 783-791

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