Results 11 to 20 of about 21,540 (161)
Fundamental and Applied Toxicology, 1997 It is difficult to understand why culling (reduction of litter size) has become such a widely used procedure in reproductive toxicity studies since there appear to have been no prior investigations to ascertain that it would improve the efficiency of studies with respect to detecting adverse effects.
A K, Palmer, B C, Ulbrich
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Veterinary Record, 2018 I wish to respond to the letters by McGill and others ( VR , 27 October 2018, vol 183, pp 510-511; 10 November 2018, vol 183, p 574). The first letter states ‘… the badger cull has produced no measurable reduction in the percentage of TB-infected herds in the cull zones’, and the second that ‘… no data was published from matched control areas to ...
McGill, Iain +2 more
+12 more sources
To Cull, or Not To Cull, Bat is the Question [PDF]
EcoHealth, 2015 (Uploaded by Plazi for the Bat Literature Project) No abstract provided.
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PLoS ONE, 2010 BackgroundIn the British Isles, control of cattle tuberculosis (TB) is hindered by persistent infection of wild badger (Meles meles) populations. A large-scale field trial--the Randomised Badger Culling Trial (RBCT)--previously showed that widespread ...
Helen E Jenkins +2 more
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PLoS ONE, 2012 Bovine tuberculosis is endemic in cattle herds in Great Britain, with a substantial economic impact. A reservoir of Mycobacterium bovis within the Eurasian badger (Meles meles) population is thought to have hindered disease control. Cattle herd incidents,
Katerina Karolemeas +7 more
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Animals, 2022 The objective of this study was to evaluate the effect of calving-related disorders/clinical diseases (DIS) and cytological endometritis (CYTO) on the reproductive performance and culling of dairy cows.
Merle Valdmann +2 more
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Analysis of culling reasons during the breeding cycle and lifetime performance: The strategy to remove crossbred Landrace and Large White sows under tropical climate [PDF]
Veterinary World, 2021 Background and Aim: Sow culling is an important practice in commercial swine production because it is directly associated with the economic efficiency of the breeding herd.
Ratchadaporn Boripun +4 more
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EFFECT OF DRY PERIOD LENGTH OF FIRST-CALF HEIFERS AND OLDER COWS ON THEIR PERFORMANCE IN THE NEXT PRODUCTION CYCLE [PDF]
Journal of Central European Agriculture, 2013 Analysis was made of the effect of dry period length in first-calf heifers and older cows from the active population of cows in the Pomerania and Kujavia regions on their performance in the next production cycle. The GLM, FREQ and CORR PEARSON procedures
Anna SAWA +2 more
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Animals, 2022 The aims of the study were: (i) to compare survival curves for cows culled for different reasons over three successive lactations using the Kaplan–Meier estimator; (ii) to determine the effects of breeding documentation parameters on cow survival; (iii ...
Wilhelm Grzesiak +3 more
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Animals, 2022 Both influenza C (ICV) and influenza D (IDV) viruses were recently included as bovine respiratory disease (BRD) causes, but their role in BRD has not been evaluated.
Duanghathai Saipinta +3 more
doaj +1 more source