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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: Body weight (BW) at different ages are of increasing importance in dairy cattle breeding schemes, because of their strong correlation with energy efficiency traits, and their impact on cow health, longevity and farm economy. In total, 15,921 dairy cattle from 56 large-scale test-herds...

Author(s)
Yin Tong; König, S.
Publisher
BioMed Central Ltd, London, UK
Citation
Genetics, Selection, Evolution, 2019, 51, 4, pp (06 February 2019)
Abstract

Lactation persistency (cow's ability to maintain milk production after reaching its peak) is a very important economic characteristic in the dairy cattle production system. Different definition and functions for describing and measuring of this trait were proposed by researchers. The random...

Author(s)
Torshizi, M. E.; Mashhadi, M. H.; Farhangfar, H.
Publisher
Indian Council of Agricultural Research, New Delhi, India
Citation
Indian Journal of Animal Sciences, 2019, 89, 6, pp 607-614
Abstract

Objective: Pen and digestibility studies were conducted to analyze the effects of a high-energy programmed feeding protocol on nutrient digestibility, health, and performance of newly received growing cattle. Materials and Methods: In Exp. 1, 354 heifers (initial BW=214±4 kg) consumed diets...

Author(s)
Spore, T. J.; Montgomery, S. P.; Titgemeyer, E. C.; Hanzlicek, G. A.; Vahl, C. I.; Nagaraja, T. G.; Cavalli, K. T.; Hollenbeck, W. R.; Wahl, R. A.; Blasi, D. A.
Publisher
Elsevier, New York, USA
Citation
Applied Animal Science, 2019, 35, 4, pp 397-407
Abstract

There is an increasing demand for health and welfare monitoring in modern dairy farming. The development of various innovative techniques aims at improving animal behaviour monitoring and thus animal welfare indicators on-farm. Automated lameness detection systems have to be valid, reliable and...

Author(s)
Alsaaod, M.; Fadul, M.; Steiner, A.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Journal, 2019, 246, pp 35-44
Abstract

Measurement of liveweight of stock is one of the most important production tools available to farmers - playing a role in nutrition, fertility management, health and marketing. Yet most farmers in sub-Saharan Africa do not have access to scales on which to weigh cattle. Heart girth measurements...

Author(s)
Goopy, J. P.; Pelster, D. E.; Onyango, A.; Marshall, K.; Lukuyu, M.
Publisher
CSIRO, Collingwood, Australia
Citation
Animal Production Science, 2018, 58, 9, pp 1758-1765
Abstract

Background: Few studies have reported on the effectiveness of the washing and disinfection methods used in cattle markets in Ireland. Purchasing cattle into recipient herds poses a high biosecurity risk due to the possibility of introducing disease. In Ireland, livestock markets are an important...

Author(s)
Connor, J. T. O.; Clegg, T. A.; More, S. J.
Publisher
BioMed Central Ltd, London, UK
Citation
Irish Veterinary Journal, 2017, 70, 6, pp (9 February 2017)
Abstract

Background: Copy number variations (CNVs) are structural variants consisting of large-scale insertions and deletions of genomic fragments. Exploring CNVs and estimating their effects on phenotypes are useful for genome selection but remain challenging in the livestock. Results: We identified 1043...

Author(s)
Liu Mei; Fang LingZhao; Liu ShuLi; Pan, M. G.; Seroussi, E.; Cole, J. B.; Ma Li; Chen Hong; Liu, G. E.
Publisher
BioMed Central Ltd, London, UK
Citation
BMC Genomics, 2019, 20, 181, pp (7 March 2019)
Abstract

Previous studies have characterized ovarian steroid synthesis which directly affects uterine environment and blood flow. Clearance of steroids occurs primarily in hepatic tissues, however, it was discovered that there is an abundant activity of the phase II steroid metabolizing enzyme...

Author(s)
Owen, M. P. T.; McCarty, K. J.; Hart, C. G.; Steadman, C. S.; Lemley, C. O.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2018, 190, pp 119-126
Abstract

Host genetic architecture is a major factor in resistance to pathogens and parasites. The collection and analysis of sufficient data on both disease resistance and host genetics has, however, been a major obstacle to dissection the genetics of resistance to single or multiple pathogens. A severe...

Author(s)
Mahmoud, M.; Zeng, Y.; Shirali, M.; Yin, T.; Brügemann, K.; König, S.; Haley, C.
Publisher
Public Library of Sciences (PLoS), San Francisco, USA
Citation
PLoS ONE, 2018, 13, 4, pp e0194374

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