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

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Abstract

Evaluating fertility traits based on endocrine progesterone profiles is becoming a promising option to improve dairy cow fertility. Several studies have been conducted on endocrine fertility traits, mainly in the Holstein breed. In this study, focusing also on the Swedish Red (SR) breed, genetic...

Author(s)
Tarekegn, G. M.; Gullstrand, P.; Strandberg, E.; Båge, R.; Rius-Vilarrasa, E.; Christensen, J. M.; Berglund, B.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 12, pp 11207-11216
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

Timely and accurate identification of cows with intramammary infections is essential for optimal udder health management. Various sensor systems have been developed to provide udder health information that can be used as a decision support tool for the farmer. Among these sensors, the DeLaval...

Author(s)
Dalen, G.; Rachah, A.; Nørstebø, H.; Schukken, Y. H.; Reksen, O.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 6, pp 5419-5429
Abstract

Milk pH is increased in lactating dairy cattle with subclinical mastitis (SCM) and intramammary infection (IMI). We hypothesized that milk pH testing provides an accurate, low-cost, and practical on-farm method for diagnosing SCM and IMI. The main objective was to evaluate the clinical utility of...

Author(s)
Kandeel, S. A.; Megahed, A. A.; Ebeid, M. H.; Constable, P. D.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 2, pp 1417-1427
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

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

Most dairy cattle populations found in different countries around the world are small to medium sized and use many artificial insemination bulls imported from different foreign countries. The Walloon population in the southern part of Belgium is a good example for such a small-scale population....

Author(s)
Colinet, F. G.; Vandenplas, J.; Vanderick, S.; Hammami, H.; Mota, R. R.; Gillon, A.; Hubin, X.; Bertozzi, C.; Gengler, N.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2018, 12, 5, pp 898-905
Abstract

Although Canadian dairy herds have been infected with bovine leukemia virus (BLV) for years, recent research has put new emphasis on the potential negative effects of this infection. Consequently, BLV control is becoming more favorable; however, BLV control cannot be successful without identifying...

Author(s)
Kuczewski, A.; Orsel, K.; Barkema, H. W.; Kelton, D. F.; Hutchins, W. A.; Meer, F. J. U. M. van der
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2018, 101, 3, pp 2433-2437
Abstract

Udder health problems are often associated with milk losses. These losses are different between quarters, as infected quarters are affected both by systemic and pathogen-specific local effects, whereas noninfected quarters are only subject to systemic effects. To gain insight in these losses and...

Author(s)
Adriaens, I.; Huybrechts, T.; Aernouts, B.; Geerinckx, K.; Piepers, S.; Ketelaere, B. de; Saeys, W.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2018, 101, 11, pp 10327-10336
Abstract

Agricultural industrialisation and globalisation have steadily increased the transportation of food across the world. In efforts to promote sustainability and self-sufficiency, organic milk producers in Sweden are required to produce a higher level of cattle feed on-farm in the hope that increased...

Author(s)
Aggestam, V.; Buick, J.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Journal of Dairy Research, 2017, 84, 3, pp 360-369

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