Association between Days Open and Parity, Calving Season or Milk Spectral Data [PDF]
Animals, 2023 Milk spectral data on 2118 cows from nine herds located in northern China were used to access the association of days open (DO). Meanwhile, the parity and calving season of dairy cows were also studied to characterize the difference in DO between groups ...
Liangkang Nan, Nan Liangkang, Du Chao
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Genetic characterisation of Cryptosporidium parvum in dairy cattle and calves during the early stages of a calving season [PDF]
Curr Res Parasitol Vector Borne Dis, 2023 Cryptosporidium parvum is a causative agent of cryptosporidiosis, an infectious gastroenteritis in neonatal ruminants, which can be fatal in severe cases. The aim of this study was to determine the prevalence of infections in dairy cattle/calves during the early stages of a calving season and the species/genotypes of the Cryptosporidium present. Faecal
Paul M. Bartley +2 more
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Associations of Body Condition Score at Calving, Parity, and Calving Season on the Performance of Dairy Cows and Their Offspring. [PDF]
Animals (Basel), 2023 This study aimed to evaluate the impact of body condition score (BCS) at calving, parity, and the calving season on the performance of dairy cows and their offspring. Data from 521 Holstein cows that calved a female calf and had their BCS evaluated at calving from a single commercial farm located in Southern Brazil were used. Cows were categorized into
Poczynek M +4 more
europepmc +4 more sources
Effect of season of calving on performance of Bunaji calves
Nigerian Journal of Animal Production, 2022 The study was conducted to determine the effect of season of calving on performance of Bunaji calves for 2014 and 2015 wet and dry seasons calving. Secondary data for 2014 and 2015 calving records were used. In 2014, a total of 100 calves were used for the study from which 30 were male and 30 were female in the wet season calving.
Dejeen A. Mohammed +3 more
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Sex-specific effects of calving season on joint health and biomarkers in Montana ranchers [PDF]
BMC Musculoskeletal Disorders, 2023 Background Agricultural workers have a higher incidence of osteoarthritis (OA), but the etiology behind this phenomenon is unclear. Calving season, which occurs in mid- to late-winter for ranchers, includes physical conditions that may elevate OA risk ...
Matthew A. Thompson +7 more
doaj +2 more sources
Animal, 2013 The effects of first calving (FC) in Holstein heifers on their first lactation, second lactation and lifetime milk production were examined from an initial database of 459 743 animals that first calved between 1 January 1990 and 31 July 2010 in Wallonia,
P Mayeres
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Impact of successive lactation, year, season of calving and test milking on cows’ milk performance of the Polish Holstein-Friesian Black-and-White breed [PDF]
Journal of Central European Agriculture, 2011 The research was conducted based on 8895 test milkings of 463 milk cows calving first time in 2003 and reared in the Pomorze and Kujawy region. The aim of the present study was to analyse the influence of selected factors on the milk performance and its ...
Beata SITKOWSKA, DARIUSZ Piwczyński
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Factors affecting milk fat variability in primiparous Simmental cows: Housing methods, origin, and calving season [PDF]
Acta Agriculturae Serbica, 2023 Milk fat content stands out as a crucial production trait in cows, and this study delves into its variability based on various factors. The research investigated how the housing method (large farm or individual producers), origin (domestic-rearing or ...
Nikšić Dragan +6 more
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Effect of Calving Season on Growth Performance, Feed Intake and Disease Occurrence of Hanwoo Calves [PDF]
Journal of Animal Science and Technology, 2007 Sixty-seven Hanwoo calves were allocated into two groups, 27 spring calves (SC) and 40 fall calves (FC) to investigate the effects of calving season on water and nutrient intakes, growth performance and disease occurrence for the nursing and the post-weaning period. Mean DMI of 3 to 4 mo old FC was lower than that of SC due to low temperature in winter
Eung-Gi Kwon
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Influences of Calving Year, Calving Season and Parity on the Lactation Curve of Korean Cattle [PDF]
Journal of Animal Science and Technology, 2002 This study was conducted to investigate the effect of environmental factor on milk yield and to estimate lactation curve in Korean cattle. The data for milk yields were collected from 118 cows from 1997 to 2000 at National Livestock Research Institute in Daekwanryoung, Kangwon-do.
J.M. Hwang
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