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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
AbstractFull Text

Estimation of animal weight is critical in cattle production to assist in herd management and to estimate the value chain prices of the animals. There is a lack of tools for small-scale farmers and stakeholders to readily estimate cattle weight in communal livestock farming systems in South Africa. ...

Author(s)
Conan, A.; Meyer, A.; Reininghaus, B.; Rooyen, J. van; Knobel, D. L.
Publisher
South African Society for Animal Science, Hatfield, South Africa
Citation
Applied Animal Husbandry & Rural Development, 2018, 11, 1, pp 46-52
Abstract

We compared different Bayesian models to handle censored data for genetic parameters estimation of age at first calving (AFC) in Brazilian Brahman cattle. Data from females with AFC above 1825 days of age were assumed to have failed to calve and were considered as censored records. Data including...

Author(s)
Fernandes Lázaro, S.; Varona, L.; Fonseca e Silva, F.; Ventura, H. T.; Veroneze, R.; Brito, L. C.; Costa, E. V.; Sávio Lopes, P.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Livestock Science, 2019, 221, pp 177-180
Abstract

Zebu cattle (Bos taurus indicus) are highly adapted to tropical regions. However, females reach puberty after taurine heifers, which affects the economic efficiency of beef cattle breeding in the tropical regions. The aims of this study were to establish associations between the haplotype alleles...

Author(s)
Nascimento, A. V. do; Romero, Â. R. da S.; Utsunomiya, Y. T.; Utsunomiya, A. T. H.; Cardoso, D. F.; Neves, H. H. R.; Carvalheiro, R.; Garcia, J. F.; Grisolia, A. B.
Publisher
Public Library of Sciences (PLoS), San Francisco, USA
Citation
PLoS ONE, 2018, 13, 8, pp e0201876
AbstractFull Text

Puberty can be characterized by the time when the cattle first estrus. Estrus in cattle can be observed through the cytology of the vaginal epithelial (Vaginal smear). The vaginal wall cytology of Brahman cattle predicted at the onset of puberty was studied. Brahman cattles were developed by...

Author(s)
Amrullah, A. H. K.; Widayati, D. T.; Maharani, D.
Publisher
Association of Agricultural Technology in Southeast Asia (AATSEA), Ladkrabang, Thailand
Citation
International Journal of Agricultural Technology, 2018, 14, 7 Special Issue, pp 997-1002
Abstract

We investigated the prediction of live weight (LW) of dairy cattle in low- to medium-input systems in Senegal, based on measurements of heart girth (HG) and height at the withers (HW). A total of 459 female dairy cattle, mainly comprising indigenous Zebu and their crosses with Guzerat or Bos...

Author(s)
Tebug, S. F.; Missohou, A.; Sabi, S. S.; Juga, J.; Poole, E. J.; Tapio, M.; Marshall, K.
Publisher
Taylor & Francis, Abingdon, UK
Citation
Journal of Applied Animal Research, 2018, 46, 1, pp 87-93
Abstract

The study aimed to evaluate oxidative stress markers (ROS, GPx, GRx) in skin tissue of cattle with different coat colors during different seasons. Ten each of Tharparkar (zebu) and Karan Fries (crossbred) heifers were selected from NDRI herd, Karnal. Animals were maintained under standard...

Author(s)
Uttarani Maibam; Hooda, O. K.; Sharma, P. S.; Upadhyay, R. C.; Mohanty, A. K.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Livestock Science, 2018, 207, pp 45-50
Abstract

There are various methods to perform castration of cattle, but surgical castration is the most common. Although it is well documented that surgical procedures inflict pain, analgesic use is usually omitted for surgical castration of production animals in Australia. This study compares the...

Author(s)
Vindevoghel, T. V.; Fleming, P. A.; Hyndman, T. H.; Musk, G. C.; Laurence, M.; Collins, T.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Applied Animal Behaviour Science, 2019, 211, pp 95-102
Abstract

Body weight and body measurements are commonly used to represent growth and measured at several growth stages in beef cattle. Those economically important traits should be genetically improved. To achieve breeding programs, genetic parameters are prerequisite, as they are needed for designing and...

Author(s)
Kamprasert, N.; Duijvesteijn, N.; Werf, J. H. J. van der
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2019, 13, 8, pp 1576-1582
Abstract

The Guzerá National Milk Improvement Programme is a work carried out by Embrapa Gado de Leite and the Brazilian Centre for Genetic Improvement of Guzerá. It involves the participation of several public and private orgranizations. This programme is based on the integration of modern animal breeding...

Author(s)
Bruneli, F. A. T.; Peixoto, M. G. C. D.; Santos, G. G. dos; Arbex, W. A.; Penna, V. M.; Zadra, L. E. F.; Josahkian, L. A.; Verneque, R. da S.; Machado, M. A.; Panetto, J. C. do C.; Lôbo, R. B.; Carvalho, M. R. S.
Publisher
Embrapa Gado de Leite, Juiz de Fora, Brazil
Citation
Documentos - Embrapa Gado de Leite, 2018, No.218, pp 77 pp.

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