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Abstract

Non-additive genetic effects are usually ignored in animal breeding programs due to data structure (e.g., incomplete pedigree), computational limitations and over-parameterization of the models. However, non-additive genetic effects may play an important role in the expression of complex traits in...

Author(s)
Alves, K.; Brito, L. F.; Baes, C. F.; Sargolzaei, M.; Robinson, J. A. B.; Schenkel, F. S.
Publisher
Wiley, Berlin, Germany
Citation
Journal of Animal Breeding and Genetics, 2020, 137, 3, pp 316-330
Abstract

Cattle pose estimation is a key step analyzing cattle behaviors and evaluating cattle health, hence, greatly significant for intelligent breeding of cattle. Computer vision based on cattle pose automatic estimation techniques were investigated in this paper and three deep cascaded convolutional...

Author(s)
Li XiangYuan; Cai Cheng; Zhang RuiFei; Ju Lie; He JinRong
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Computers and Electronics in Agriculture, 2019, 164, pp 104885
Abstract

Trade of cattle between farms forms a complex trade network. We investigate partitions of this network for cattle trade in Germany. These partitions are groups of farms with similar properties and they are inferred directly from the trade pattern between farms. We make use of a rather new method...

Author(s)
Brzoska, L.; Fischer, M.; Lentz, H. H. K.
Publisher
Frontiers Media S.A., Lausanne, Switzerland
Citation
Frontiers in Veterinary Science, 2020, 6, May,
Abstract

Body temperature (BT) is widely used to evaluate health and heat load status in cattle. Despite its importance, studies vary in how BT is measured and in the biological interpretation of the results. Costs, practicality, labor, and welfare concerns can affect how BT is measured, including frequency ...

Author(s)
Tresoldi, G.; Schütz, K. E.; Tucker, C. B.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2020, 103, 6, pp 5414-5421
Abstract

Bovine respiratory disease (BRD) remains the leading cause of morbidity and mortality in feedlot cattle. At feedlot arrival, classification of cattle groups into high- or low-risk based on their expected level of BRD is common, highly variable, and based on many subjective criteria. An accurate...

Author(s)
Amrine, D. E.; McLellan, J. G.; White, B. J.; Larson, R. L.; Renter, D. G.; Sanderson, M.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Computers and Electronics in Agriculture, 2019, 156, pp 439-446
Abstract

Background: Cattle international genetic evaluations allow the comparison of estimated breeding values (EBV) across different environments, i.e. countries. For international evaluations, across-country genetic correlations (rg) need to be estimated. However, lack of convergence of the estimated...

Author(s)
Bonifazi, R.; Vandenplas, J.; Napel, J. ten; Matilainen, K.; Veerkamp, R. F.; Calus, M. P. L.
Publisher
BioMed Central Ltd, London, UK
Citation
Genetics, Selection, Evolution, 2020, 52, 32, pp (23 June 2020)
Abstract

One of the most common and reliable ways of monitoring udder health and milk quality in dairy herds is by monthly cow composite somatic cell counts (CMSCC). However, such sampling can be time consuming, and more automated sampling tools entail extra costs. Machine learning methods for prediction...

Author(s)
Anglart, D.; Hallén-Sandgren, C.; Emanuelson, U.; Rönnegård, L.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2020, 103, 9, pp 8433-8442
Abstract

Residual feed intake (RFI) is a measure of feed efficiency in dairy cattle. This study modeled phenotypic RFI of first- and second-parity Holstein and Jersey dairy cows within 9 lactation segments (consecutive segments of 4 wk each) covering the first 36 lactation weeks. We aimed to evaluate...

Author(s)
Olijhoek, D. W.; Difford, G. F.; Lund, P.; Løvendahl, P.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2020, 103, 8, pp 6967-6981
Abstract

Two vector-borne infections have emerged and spread throughout the north-western part of Europe in the last decade: Bluetongue virus serotype-8 (BTV-8) and the Schmallenberg virus (SBV). The objective of the current study was to compare three statistical methods when applied in a syndromic...

Author(s)
Veldhuis, A. M. B.; Swart, W. A. J. M.; Brouwer-Middelesch, H.; Stegeman, J. A.; Mars, M. H.; Schaik, G. van
Publisher
Frontiers Media S.A., Lausanne, Switzerland
Citation
Frontiers in Veterinary Science, 2020, 6, March,
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

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