Resultados de búsqueda - "Cowes"

Effect of milk yield-based selection on some reproductive traits of Holstein Friesian cows on large-scale dairy farms in Malawi por Chagunda, Mizeck G.G., Bruns, E.W., Wollny, C.B.A., King, H.M.

“…Fixed effects of sire group, herd, year and season of calving were tested and random effects of dam and cow were included in the statistical model applied. …”
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Characterisation of postpartum ovarian activities using milk progesterone profiles in dairy cows in urban/peri-urban dairy production systems por Mekasha, Yoseph, Tegegne, Azage, Yami, A., Umunna, N.N.

Materias: “…cows…”
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Draught work efficiency of F1 crossbred dairy cows and the Ethiopian highland Zebu oxen under smallholder farming context por Alemayehu, M., Zerbini, E., Yami, A.

“…The present study was carried out to compare the on farm draught performance of F1, crossbred dairy cows with that of local oxen. Thirty-six F1 crossbred dairy cows were distributed to 18 farmers of three categories of defined resource endowment in 1995 in Wolmera and Dendi woredas. …”
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Effect of supplementation of depleted, non-milking, non-cycling F1 crossbred cows on time of repletion and resumption of reproductive activity por Zerbini, E., Gebre-Wold, A., Gemeda, T., Demissie, D.

Materias: “…cows…”
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Effect of work and diet on body weight change, body condition and lactation performance of F1 crossbred cows used for draught por Gemeda, T., Zerbini, E., Gebre-Wold, A., Demissie, D.

Materias: “…cows…”
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Effect of work and diet on dry matter intake, feed digestibility and nitrogen balance of F1 crossbred cows used for draught por Zerbini, E., Gemeda, T., Gebre-Wold, A., Demissie, D.

Materias: “…cows…”
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The ‘One cow per poor family’ programme: Current and potential fodder availability within smallholder farming systems in southwest Rwanda por Klapwijk, L.C., Bucagu, C., Wijk, Mark T. van, Udo, H.M.J., Vanlauwe, Bernard, Munyanziza, E., Giller, Kenneth E.

“…The poorest farmers (RG1) were not able to feed a local cow under all scenarios. RG2 farmers can sustain a local cow during both seasons when using all possible fodder resources, but can sustain a European cow under just two scenarios during the rainy season. …”
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Assessment of microbial quality of raw cow's milk and antimicrobial susceptibility of selected milk-borne bacteria in Kilosa and Mvomero Districts, Tanzania por Kanyeka, H.B.

“…The present cross sectional study was conducted to assess microbial quality of raw cow milk and to determine antimicrobial susceptibility of the selected common milk-borne bacteria in Kilosa and Mvomero districts, Morogoro region. …”
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Reproductive performance of dairy cattle at Asella livestock farm, Arsi, Ethiopia. 1: indigenous cows versus their F1 crosses por Negussie, E., Braennaeng, E., Banjaw, K., Rottmann, O.J.

Materias: “…dairy cows…”
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Effects of prostaglandin administration frequency, artificial insemination timing and breed on fertility of cows and heifers in eastern Zone of Tigray Region, Ethiopia por Gugssa, T.

“…On average, one technician misclassified 4.6 cows out of 10 cows presented for corpus luteum detection through rectal palpation. …”
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Milk production and reproductive performance of local and crossbreed dairy cows in selected districts of west Gojam Zone, Amhara Region, Ethiopia por Muluye, M.

“…For monitoring study from 180 farmers, 60 dairy farmers who have lactating cows were involved. The cows with exotic blood level of (0%, 25%, 50% and 75%) were purposively selected. …”
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Characterization of postpartum reproductive activities using milk progesterone profiles in dairy cows in urban and peri-urban dairy production systems por Mekasha, Yoseph, Tegegne, Azage, Yami, A., Umunna, N.N.

Materias: “…cows…”
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Cows of reproductive age in the high Andean region of Peru have seroprevalence of antibodies against bovine herpesvirus 1 and Neospora caninum por Contreras Vílchez, Víctor, Mendoza Palomino, Efrain, Jiménez Aparco, César, Huamán Lizana, Darwin, Acuña Leiva, Alex Tony, Quispe Ccasa, Hurley Abel

Materias: “…cows; Vaca…”
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Effect of Protein Restriction During Mid-to Late Gestation of Beef Cows on Female Offspring Fertility, Lactation Performance and Calves Development por Lopez Valiente, Sebastian, Maresca, Sebastian, Rodriguez, Alejandro Martin, Long, Nathan M., Quintans, Graciela I., Palladino, Rafael Alejandro

“…Cow calf operation in Argentina are managed under extensive grazing condition and the quality of forages is often poor during second half of gestation. …”
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Differential immune response to two Staphylococcus aureus strains with distinct adaptation genotypes after experimental intramammary infection of dairy cows por Engler, Carolina, Renna, María Sol, Beccaria, Camila, Silvestrini, Paula, Pirola, Silvana I., Pereyra, Elizabet Amanda Lorena, Baravalle, Celina, Camussone, Cecilia, Monecke, Stefan, Calvinho, Luis Fernando, Dallard, Bibiana Elisabet

Materias: “…Dairy Cows…”
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Dataset from: “Frequencies of β-casein variants and their influence on genetic merit for production traits in Holstein cows [Conjunto de datos] por Caffaro, María Eugenia, Raschia, Maria Agustina, Maizon, Daniel Omar, Poli, Mario Andres

Materias: “…Dairy Cows…”
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Effects of breed and genomic inbreeding on milk, fat and protein lactation yields and fertility traits in pasture-based dairy cows in Argentina por Beribe, Maria Jose, Carignano, Hugo Adrian, Poli, Mario Andres, Lopez-Villalobos, Nicolás

Materias: “…Dairy Cows…”
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A comparison of two certification schemes for dairy cow welfare in relation to resource-based, management-based and animal-based measures por Högberg, Niclas

Materias: “…dairy cow…”

A genetic analysis of traits recorded by automatic milking systems - the possibility for a new method to evaluate temperament of dairy cows por Ellen, Rinell

“…Fetching of cows, which increases labour requirement, should be minimalized. …”
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The effect of different cluster take-off levels at udder quarter in combination with feeding during milking on milk production in dairy cows por Hultén, Christine

“…It has also been stated that feeding of concentrate during milking can be used as a teaser to motivate the cows to visit the milking unit (MU) and to improve the milk ejection. …”
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