Resultados de búsqueda - "Cowes"

Superovulation of Boran (Bos indicus) and Boran x Friesian cows por Mutiga, E.R., Mugerwa, M.E., Tegegne, Azage

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Ovarian follicular dynamics in purebred and crossbred Boran cows in Ethiopia por Degefa, T., Lemma, Alemayehu, Jemal, J., Mamo, G., Tegegne, Azage, Youngs, C.

“…Boran cows possessed a greater (P<0.001) total number of ovarian follicles than BxH cows and both genotypes displayed more (P<0.05) activity on their right than left ovary. …”
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Fighting global warming, one cow belch at a time por Thin Lei Win

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Analysis of dairy cow records in a humid tropical environment por Alba, Jorge de, Kennedy, B

Materias: “…Vaca lechera||dairy cows||vaca leiteira||vache laitière…”
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Factors affecting reproductive performance and health in dairy cows in Tajikistan por Alexius Lindgren, Michelle

“…The majority of the cows had an age of more than 3 years at first calving and the mean amount of milk produced in liters per day per cow was 11.9±7.6 liters. …”
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Individual drinking water intake of dairy cows in an AMS barn por Axegärd, Caroline

“…Today’s dairy cows have high requirements of nutrients and water to give a large milk production. …”
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Genotype by environment interaction for udder health in Swedish Holstein cows por Jansson, Kristina

“…Data from the Swedish milk-recording scheme containing more than 200 000 cows having their first calving from 1995-01-01 and onwards was used. …”
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Natural variations of milk somatic cell count in dairy cows por Woloszyn, Marta

“…The cows were housed in a barn with the automatic milking system VMS, provided by DeLaval. …”
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Health-effects on cows that have lost their calves to predators in Brazil por Greve, John

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Strategies for keeping cow and calf together in six European countries por Gundersen, Sofia

“…This thesis also showed that larger farms (> 36 cows) more frequently used a calf rearing system with foster cows or a mixed system (foster cow and dam), rather than only mother.…”
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Determinants for milk fever An epidemiological study of Swedish dairy cows por Daresjö, Sofia

“…Milk fever is a worldwide disease, seen mainly in dairy cows. At the onset of lactation the cow is not prepared for the sudden calcium requirement, which causes a drop in the blood calcium and the cow develops hypocalcaemia. …”
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Voluntary cow traffic in AMR : with or without teaser feed at milking por Ratcovich, Elin

Materias: “…cow traffic…”

Dark pathways : cows’ walking behavior in dim light environments por Ståhlberg, Kajsa

“…In addition, behavioral observations of the cows walking through the obstacle course were performed. …”

The effect of hoof trimming on dairy cows´ behaviour, locomotion and production por Back, Jeanette

“…These systems put demands on the cows’ ability to cope with the environment and one challenge is the claw health in the herds. …”
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Quantification of sleep in dairy cows in three different stages of lactation por Nilsson, Emma

Materias: “…Cow management…”

Effects of shade on milk production in Swedish dairy cows on pasture por Ulvshammar, Karin

“…During days with warm and sunny weather also milk composition were analyzed for each cow. The trial did also include behaviour studies of the cows. …”
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Regression of traits-other-than-production phenotypes for cows milked once a day on estimated breeding values obtained from cows milked twice a day por Sneddon, NW, Lopez Villalobos, N, Garrick, DJ, Rocha, JF, Donaghy, DJ

“…In 2013 Massey University Dairy 1 farm transitioned their mixed-breed herd milked twice a day (TAD) to an OAD spring-calving system. All cows on the farm were scored for 14 inspector TOP traits and four farmer-scored traits for a total of 1,163 records over five seasons (168 to 254 cows per year). …”
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A challenge managing the fertility and health of high producing dairy cows

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Adoption of new technology : from machine milking to total cow management

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AFM1 secretion and efficacy of Novasil™ clay in Kenyan dairy cows por Kuboka, Maureen, Njue, L., Mutua, Florence K., Grace, Delia, Lindahl, Johanna F.

“…The results showed that AFM1 levels in the milk varied between the cows, even when fed similar levels of contaminated feed. …”
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