Resultados de búsqueda - "Cowes"

Influence of partial suckling of crossbred dairy cows on milk offtake and calf growth in the Ethiopian highlands por Little, D.A., Anderson, F.M., Durkin, J.W.

Materias: “…cows…”
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Expression of beta 2 integrins on blood leukocytes of cows with or without bovine leukocyte adhesion deficiency por Cox, E., Mast, J., MacHugh, Niall D., Schwenger, B., Goddeeris, Bruno M.

Materias: “…cows…”
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Current status of dairy cow feeding in the Ethiopian Central Highlands and some recommendations for promising technologies por Mogus, S.

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Modeling lactation curve and comparison of model’s fitness to different lactation data of indigenous and crossbred cows por Gebreyohannes, G., Tegegne, Azage, Diedhiou, M.L., Hegde, B.P.

“…Five lactation curve models were compared for their fitness to milk data of indigenous and crossbred cows using data from Bako Agricultural Research Center and Debre Zeit Research Station. …”
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Behavioural and physical signs associated with oestrus and some aspects of reproductive performance in Fogera cows and heifers por Negussie, F., Kassa, T., Tibbo, Markos

“…An investigation was carried out into the behavioural and physical signs of oestrus in 70 Fogera cows and heifers between December 1993 and May 1994 at Metekel Cattle Breeding and Improvement Ranch, Ethiopia. …”
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Milk performance of lifetime underfed cows of different genotype (Zebu or Zebu x Friesian) in the tropics por Jenet, A., Tegegne, Azage, Osuji, P.O., Yimegnuhal, A., Kreuzer, M., McCrabb, G.J., Fernández Rivera, S.

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Body composition of cows kept under tropical conditions: Carry-over effects of feed fluctuation por Jenet, A., Saurer, M., Fernández Rivera, S., Tegegne, Azage, Wettstein, H.R., Kreuzer, M.

“…The gastrointestinal tract (GIT) of the cows was assumed to amount to 0.20 of body weight (BW), and empty body weight (EBW) was described as EBW = BW − GIT. …”
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Weight development of lifetime underfed cows of different genotype (Zebu or Zebu x Friesian) in the tropics por Jenet, A., Tegegne, Azage, Osuji, P.O., Yimegnuhal, A., Kreuzer, M., McCrabb, G.J., Fernández Rivera, S.

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A note on the effect of supplementation with noug cake (Guizotia abyssinica) on the milk production of crossbred cows por Little, D.A., Anderson, F.M., Durkin, J.W.

Materias: “…cows…”
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Effect of draught work on postpartum estrous cycle length in crossbred dairy cows already cycling por Abate, E., Zerbini, E., Yami, A., Mukasa-Mugerwa, E., Gebre-Wold, A.

Materias: “…cows…”
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Reproduction efficiency of Zebu and crossbred cows as measured by the inter-estrus and inter-service intervals at Bako por Gebreyohannes, G., Tegegne, Azage, Diedhiou, M.L., Hegde, B.P.

Materias: “…cows…”
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Use of progesterone in early detection of open cows in smallholder dairy farms in Nakuru District of Kenya por Indetie, D., Indetie, A., Kinyua, J., Ojango, N., Perera, O.

“…A major constraint to milk production and number of calves born from the cows is the long calving intervals. Determining non-pregnant cows early by measuring progesterone levels by day 23 after insemination can help reduce calving intervals, thus improving productivity. …”
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Seasonal bodyweight changes in suckled Boran cows at pasture and their probable association with the interval between calvings por Kidner, E.M.

Materias: “…cows…”
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Cow and camel milk production and marketing in agro-pastoral and mixed crop-livestock systems in Ethiopia por Hussen, K., Tegegne, Azage, Yousuf, M., Gebremedhin, Berhanu

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The effect of different levels of concentrate at different phases of lactation on milk production of lactating dairy cows. por Biwott, J.K.

Materias: “…dairy cows…”
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Value chain analysis of cow milk: The case of laelay maichew woreda, Central zone of Tigray por Mekonnen, G.

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Metagenomic analysis of enteric bacterial pathogens affecting the performance of dairy cows in smallholder productions systems por Habimana, V., Bett, R.C., Amimo, Joshua O., Kibegwa, F.M., Githae, Dedan, Jung’a, J.O.

“…The cow feces and rumen fluid samples (6 rumen fluid and 42 feces) were collected from lactating dairy cows. …”
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Quantifying the negative impact of clinical diseases on productive and reproductive performance of dairy cows in central Argentina por Masia, F., Molina, G., Vissio, Claudina, Balzarini, Mónica, De la Sota, Rodolfo Luzbel, Piccardi, Mónica Belén

Materias: “…Non-Pregnant Cows…”
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Does parity order or cow antibody level influence the humoral immunity of calves for cattle anaplasmosis? por Lagranha, Camila, Morel, Nicolas, Costa-Junior, Lívio M., Klafke, Guilherme, Gallina, Tiago, Reck, José

“…Anecdotal information among farmers suggested that some cows may deliver calves more resilient to anaplasmosis. …”
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Feeding Calcium Salts of Linseed Oil on Metabolic Status and Reproductive Traits in Grazing Dairy Cows por Iorio, Jesica Daniela, Moreno González, Yaliska, Olmeda, Maria Florencia, Curletto, Dino, Scandolo Lucini, Daniel Edgardo, Maciel, Martin Guillermo, Palladino, Rafael Alejandro, Giuliodori, Mauricio Javier, Salado, Eloy Eduardo

Materias: “…Dairy Cows…”
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