Results 21 to 30 of about 36,725 (142)
Culling reasons and risk factors in Estonian dairy cows
BMC Veterinary Research, 2020 Background Culling is a major cost for dairy farms but also an essential part in managing herd productivity. This study aimed to identify the culling rates of Estonian dairy cows, identify the farmers’ stated reasons and risk factors for culling.
Triin Rilanto +5 more
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
Risk based culling for highly infectious diseases of livestock [PDF]
, 2011 The control of highly infectious diseases of livestock such as classical swine fever, foot-and-mouth disease, and avian influenza is fraught with ethical, economic, and public health dilemmas.
van Boven, M. +22 more
core +3 more sources
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
doaj +1 more source
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
doaj +1 more source
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
Limiting factors of cows’ productive longevity on the industrial complex
Theoretical and Applied Veterinary Medicine, 2021 The research was carried out in the conditions of a large industrial complex ‟Agro-Soyuz” of the Dnipropetrovsk region for the production of the milk from Holstein cows.
I. S. Pishchan +4 more
doaj +1 more source
Characterisation and pattern of culling in Holstein-Friesian dairy herds in Khorasan Razavi Province, Northeast of Iran [PDF]
Veterinary Research Forum, 2011 To describe proportion and pattern of culling in commercial dairy herds of Khorasan Razavi Province, this survey was carried out from 21st March 2008 to 20th March 2009 in 15 industrialized dairy herds.
Mohammad Azizzadeh
doaj
Culling Trends on a Hungarian Large Scale Dairy Farm
Scientific Papers Animal Science and Biotechnologies, 2023 Different diseases experienced in dairy farms cause decreased productivity and profitability. When a decision is made regarding culling, age, phases of lactation cycle, milk production, reproduction phase and health stage all have to be taken into ...
Violetta Tóth +3 more
doaj