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Abstract

Genetic evaluation of female fertility in Danish, Finnish, and Swedish dairy cows was updated in 2015 to multiple-trait animal model evaluation, where heifer and cow fertility up to third parity are considered as separate traits. A model for conception rate was also developed, which required...

Author(s)
Muuttoranta, K.; Tyrisevä, A. M.; Mäntysaari, E. A.; Pösö, J.; Aamand, G. P.; Lidauer, M. H.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 9, pp 8184-8196
Abstract

A spatial data-driven stochastic model was developed to explore the spread of verotoxigenic Escherichia coli O157 (VTEC O157) by livestock movements and local transmission among neighbouring holdings in the complete Swedish cattle population. Livestock data were incorporated to model the...

Author(s)
Widgren, S.; Engblom, S.; Emanuelson, U.; Lindberg, A.
Publisher
BioMed Central Ltd, London, UK
Citation
Veterinary Research, 2018, 49, 78, pp (2 August 2018)
Abstract

Efficiency in animal protein production can be defined in different ways, for example the amount of human-digestible essential amino acids (HDEAA) in the feed ration relative to the amount of HDEAA in the animal products. Cattle production systems are characterised by great diversity and a wide...

Author(s)
Patel, M.; Sonesson, U.; Hessle, A.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2017, 11, 3, pp 519-528
Abstract

Trait uniformity, or micro-environmental sensitivity, may be studied through individual differences in residual variance. These differences appear to be heritable, and the need exists, therefore, to fit models to predict breeding values explaining differences in residual variance. The aim of this...

Author(s)
Rönnegǻrd, L.; Felleki, M.; Fikse, W. F.; Mulder, H. A.; Strandberg, E.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2013, 96, 4, pp 2627-2636
Abstract

This study investigated the potential for accurate detection of clinical mastitis (CM) in an automatic milking system (AMS) using electronic data from the support software. Data from cows were used to develop the model, which was then tested on 2 independent data sets, 1 with 311 cows (same farm...

Author(s)
Khatun, M.; Thomson, P. C.; Kerrisk, K. L.; Lyons, N. A.; Clark, C. E. F.; Molfino, J.; García, S. C.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2018, 101, 10, pp 9385-9395
Abstract

Three random regression models were developed for routine genetic evaluation of Danish, Finnish, and Swedish dairy cattle. Data included over 169 million test-day records with milk, protein, and fat yield observations from over 8.7 million dairy cows of all breeds. Variance component analyses...

Author(s)
Lidauer, M. H.; Pösö, J.; Pedersen, J.; Lassen, J.; Madsen, P.; Mäntysaari, E. A.; Nielsen, U. S.; Eriksson, J. Ǻ.; Johansson, K.; Pitkänen, T.; Strandén, I.; Aamand, G. P.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2015, 98, 2, pp 1296-1309
Abstract

The aim of this study was to evaluate methods for genomic evaluation of the Spanish Holstein population as an initial step toward the implementation of routine genomic evaluations. This study provides a description of the population structure of progeny tested bulls in Spain at the genomic level...

Author(s)
Jiménez-Montero, J. A.; González-Recio, O.; Alenda, R.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2013, 96, 1, pp 625-634
Abstract

The objective of this study was to investigate how useful data from automatic milking systems used in commercial herds are for genetic analysis of milkability traits. Data were available from 4,968 Swedish Holstein and Swedish Red cows over a span of 5 yr (2004-2009) from 19 herds. The analyzed...

Author(s)
Carlström, C.; Pettersson, G.; Johansson, K.; Strandberg, E.; Stǻlhammar, H.; Philipsson, J.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2013, 96, 8, pp 5324-5332
Abstract

In the elimination of cases of open tuberculosis in the Ostertag method of control, the diagnosis should always be completed by bacteriological examinations of sputum, etc. Even if the clinical and bacteriological diagnoses seem to agree there can, however, be failures. In 3, 386 eases in cattle,...

Author(s)
MARCUSSON, E.
Citation
Svensk Veterinartidskrift, 1936, 41, pp 1-16
Abstract

ZWICK.-BORNA DISEASE. A cinematograph film of Borna disease was shown and it was stated that this virus disease is transmissible to the rabbit, guineapig, rat, fowl, sheep, bovine and horse. The virus is nearly related to that of malignant bovine catarrh and it is excreted in the nasal secretion,...

Citation
Tierarztliche Rundschau, 1932, 39, pp 739-741; 755-757; 772-778; 788-791; 804-807

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