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142 articles for “Cow”
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Research ArticleOpen accessEvery word in the titleThe Role of Oxidative Stress during Pregnancy on Obstetric Pathology Development in High-Yielding Dairy CowsInna Ventsova, Vladimir SafonovThe study aimed to examine the processes of oxidative stress and their intensity depending on the state of the antioxidant system in dairy cows. The study was conducted in 2018-2019 on the territory of the Druzhba breeding factory (Voronezh region, Russia) and involved 154 cows divided into 4 groups. Group 1 consisted of healthy animals (n = 83). Group 2 … …American Journal of Animal and Veterinary Sciences, Vol. 16, Issue 1 · 19 Jan 2021 · 6,723 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleGenotype Screening of Bovine Brachyspina in Taiwan Holstein CowsChun Hsuan Chao, Yi Ming Chen, Kuo Hua LeeThis study analyzed carrier frequencies of the genetic defect bovine brachyspina (BS) in the Holstein cows in Taiwan. In total, 1688 cows from 31 herds were included in the analysis, performed using the Igenity-Prime 50K single-nucleotide polymorphism chip. Of the 1688 cows, 68 (5.09%) were BS carriers (BY), a frequency lower than that reported in Taiwan previously. In Taiwan, the … …American Journal of Animal and Veterinary Sciences, Vol. 15, Issue 3 · 14 Aug 2020 · 6,971 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleNodulation and Biomass Yield Response of Cowpea to Row Spacing and Phosphorus Fertilizer Application in the Guinea Savanna Agro-Ecological Zone of GhanaAlhassan Bawa, Lukman YussifPhosphorus fertilizer application and planting distance play a major role in the production of shoot, root and nodule dry biomass of cowpea. However, phosphorus is a major limiting nutrient in soils in Ghana. Selection of cowpea varieties that produce good biomass yield under low soil phosphorus or those with high phosphorus response efficiency can be a low input approach in … …American Journal of Agricultural and Biological Sciences, Vol. 12, Issue 4 · 23 Jan 2018 · 8,231 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDetermination of Abscisic Acid and its Relationship to Drought Stress Based on Cowpea Varieties with Different Capability of Drought ResistanceWei Lei, Shian Huang, Shaohu Tang et al.Cowpea (Vigna unguiculata L.) is one of the most important grain legume supplying necessarily dietary proteins. Although its can tolerate drought environment, still the severe condition can limit the growth and development of this plant. Abscisic acid (ABA) has a crucial function in stress physiology, but little information is available for methods describing ABA determination in cowpea and its relationship … …American Journal of Biochemistry and Biotechnology, Vol. 12, Issue 1 · 30 Mar 2016 · 8,458 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleFUNCTIONAL PROPERTIES OF PROTEIN CONCENTRATE FROM BLACK COWPEA AND ITS APPLICATIONAnuchita Moongngarm, Sirinapa Sasanam, Watcharee Pinsiri et al.Black cowpea (Vigna unguiculata L. Walp.) is high in protein, which makes it suitable for use as a protein supplement in food products. However, direct application of cowpea flour in food products is limited as it may affect some quality aspects of foods. Protein concentrate and isolate are a form of the protein that is gaining interest in industry. Therefore, … …American Journal of Applied Sciences, Vol. 11, Issue 10 · 29 Nov 2014 · 6,403 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEFFECT OF PUERPERAL METRITIS ON HOLSTEIN COWS PRODUCTIVE, REPRODUCTIVE VARIABLES AND CULLING RATESA. Dawod, Byeng R. MinThe objective of the study was to determine the effect of puerperal metritis prevalence in high yielding Holstein cows on productive (305 days, actual milk yields), reproductive (days to first estrus, days open and services per conception) variables and culling rates. Throughout the study, 2885 dairy records were collected from high yielding private Holstein dairy farm (average milk yield was … …American Journal of Animal and Veterinary Sciences, Vol. 9, Issue 3 · 12 Nov 2014 · 6,950 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleCow Efficiency, Relative-Birth Weight and Subsequent Pre-Weaning Growth Performance of Nguni CattleTakalani Judas Mpofu, Khathutshelo Agree Nephawe, Muzi Mandla Ginindza et al.The objective of this study was to evaluate factors influencing Cow Efficiency (CE), Relative-Birth Weight (R-BW), and subsequent pre-weaning growth performance of Nguni cattle in Limpopo Province, South Africa. Factors that were considered were dammed weight at calving, agro-ecological zone, the season of birth, sex of calves, parity, and dam age. Data from Nguni cows and their calves (n = … …American Journal of Animal and Veterinary Sciences, Vol. 17, Issue 2 · 23 May 2022 · 7,141 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleStudy of Mastitis Incidence in Cows of Dairy Farms in East Kazakhstan: Impacts of Nutrition, Endometritis and Mycotoxin ContaminationNurzhamal Mukhamadieva, Dinara Zainettinova, Mardan Julanov et al.This research aimed to investigate the prevalence, etiological factors, and diagnosis of mastitis in dairy farms located in East Kazakhstan. The study was conducted on two dairy farms, “Balke” and “Madi-R,” and examined a total of 490 cows. The findings indicate that the incidence of clinical and subclinical mastitis varied among the years studied. In 2016, the average incidence was … …American Journal of Animal and Veterinary Sciences, Vol. 18, Issue 4 · 7 Nov 2023 · 5,427 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleRelationship of Longevity with Productive and Reproductive Variables in Nelore Cows of the Bolivian TropicIkeda Atsuko, Barbona Ivana, Yoichiro Hayashi et al.The objective of this study was to evaluate the relationship between longevity with productive and reproductive efficiency variables of Nelore cows in grazing systems in the Bolivian tropics. Retrospective data corresponding to the period 1992-2019, belonging to the Cooperativa Agropecuaria Integral San Juan de Yapacaní and the Foundation Technology Center on Agriculture and Livestock, Santa Cruz-Bolivia were used. The data … …American Journal of Animal and Veterinary Sciences, Vol. 15, Issue 4 · 2 Dec 2020 · 6,626 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAssociation of Reproductive Problems and Dairy Cow Productivity in a Farm with an Outbreak of Neosporosis Abortion in BrazilFrancisco Carlos Rodrigues de Oliveira, Samira Salim Mello Gallo, Murilo de Oliveira Bôa-Morte, Nicole Brand EderliNeosporosis is a disease caused by the protozoan Neospora caninum and its only clinical symptom in adult cows is abortion. In order to determine whether N. caninum was associated with an outbreak of abortion on a high milk production dairy farm with excellent livestock and health control standards, blood was collected from all the animals in the herd to obtain … …American Journal of Animal and Veterinary Sciences, Vol. 14, Issue 1 · 1 Feb 2019 · 7,459 accessesView PDFCite