Resultados de búsqueda - "Cowes"

Effect of draught work on performance and metabolism of crossbred cows. 1. Effect of work and diet on body-weight change, body condition, lactation and productivity por Gemeda, T., Zerbini, E., Gebre-Wold, A., Demissie, D.

Materias: “…cows…”
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The effects on production of milking crossbred suckler cows grazing a semi-arid area of Kenya. II - The performance of calves from birth to weaning por Anindo, D.O., Topps, J.H.

Materias: “…cows…”
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Effects on production of milking crossbred suckler cows grazing a semi-arid area of Kenya. III. Post-weaning growth of crossbred calves por Anindo, D.O., Topps, J.H.

Materias: “…cows…”
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Crossbreeding for dairy production in the lowland tropics of Kenya. I. Estimation of individual crossbreeding effects on milk production and reproductive traits and on cow live weight por Kahi, A.K., Thorpe, W.R., Nitter, G., Baker, R.L.

Materias: “…cows…”
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Modelling energy metabolism of friesians in Kenya smallholdings shows how heat stress and energy deficit constrain milk yield and cow replacement rate por King, J.M., Parsons, D.J., Turnpenny, J.R., Nyangaga, J., Bakari, P., Wathes, C.M.

Materias: “…cows…”
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Body weight changes and reproductive performance of crossbred cows fed maize-lablab stover ad libitum and supplemented with graded levels of lablab hay por Mpairwe, D.R., Sabiiti, E.N., Umunna, N.N., Tegegne, Azage

“…Twenty-four multiparous Zebu × Friesian crossbred cows, were fed maize-lablab stover as basal diet and allocated to four graded levels of lablab hay (0%, 0.4%, 0.8% and 1.2% BW) treatments in a study to investigate effects of levels of lablab supplementation on body weight changes and reproductive performance. …”
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Beef cow-calf production experiments on the savannas of eastern Colombia: effects of minerals, early weaning, crossbreeding, urea feeding, and pastures on herd production por Stonaker, Howard H., Raun, NS, Gómez Soler, Juvenal

Materias: “…cows…”
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Characterization of milk production systems, marketing and on-farm evaluation of the effect of feed supplementation on milk yield and milk composition of cows at Bure District, Ethiopia por Kebede, A.B.

“…Average body weight and initial milk yield of cows were 231.7±36.7 kg & 1.08±0.11 kg/cow/day respectively. …”
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Relationships between inbreeding levels and some reproductive performance traits in West African Shorthorn and Sokoto Gudali cows at Agricultural Research Station, Legon por Millar, D.

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MilkIT innovation platform: Changing women’s lives – One cow and one litre of milk at a time – Deep in the foothills of India’s Himalayan Mountains por Ravichandran, Thanammal, Teufel, Nils, Duncan, Alan J.

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Short communication: Relationship between the level of bovine leukemia virus antibody and provirus in blood and milk of cows from a naturally infected herd por Jaworski, Juan Pablo, Porta, Natalia Gabriela, Gutierrez, Gerónimo, Politzki, Romina Paula, Alvarez, Irene, Galarza, Roxana Ivon, Abdala, Alejandro Ariel, Calvinho, Luis Fernando, Trono, Karina Gabriela

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7 & 7 Synch and 7-day progesterone- based protocols for estrus synchronization prior fixedtime artificial insemination in multiparous beef sucked cows por Ferre, Luis Bernardo, Jaeschke, Julian, Gatti, Juliana, Baladón, Gerardo, Bellocq, Ezequiel, Fernández, Gustavo, Thomas, Jordan M.

Materias: “…Cows…”
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Association of bovine viral diarrhea virus, bovine herpesvirus 1, and Neospora caninum with late embryonic losses in highly supplemented grazing dairy cows por Quintero Rodríguez, Luis, Domínguez, Germán, Alvarado Pinedo, María, Travería, Gabriel, Moré, Gastón, Campero, Lucia Maria, De la Sota, Luzbel, Madoz, Laura, Giuliodori, Mauricio

Materias: “…Dairy Cows…”
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Comparison of Gonadotropin-Releasing Hormone versus Estrogen-Based Fixed-Time Artificial Insemination Protocols in Grazing Bos taurus Suckled Beef Cows por Ferre, Luis Bernardo, Jaeschke, Julian, Gatti, Juliana, Baladón, Gerardo, Bellocq, Ezequiel, Fernández, Gustavo, Rearte, Ramiro, Kjelland, Michael E., Colazo, Marcos G., Thomas, Jordan M.

“…In Experiment 1, plasma progesterone concentrations and percentage of cows with a corpus luteum (CL) at IVPD removal, and pregnancy per AI (P/AI) were greater for cows subjected to GnRH-based protocols compared with cows subjected to estrogen-based protocols (p < 0.01). …”
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Abortion associated with Brucella abortus strain RB51 vaccination during gestation in a dairy cow immunized with strain 19 as a calf por Cabaña, Enzo, Rejf, Paula, Zbrun, Maria Virginia, Marini, Maria del Rocio, Ilardo, Andres, Machado, Selva, Garnero, Oscar, Foster, Camila Nayla, Novoa, María Belén

Materias: “…Dairy Cows…”
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Risk factors of S. aureus intramammary infection in pre partum dairy heifers under grazing conditions and molecular characterization of isolates from heifers and cows por Camussone, Cecilia, Molineri, Ana Ines, Signorini, Marcelo, Neder, Veronica Elizabeth, Vitulich, Carlos Alberto, Calvinho, Luis Fernando

Materias: “…Dairy Cows…”
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Improving concentration of healthy fatty acids in milk, cheese and yogurt by adding a blend of soybean and fish oils to the ration of confined dairy cows por Gagliostro, Gerardo Antonio, Antonacci, Liliana Elisabet, Perez, Carolina Daiana, Rossetti, Luciana, Carabajal, Augusto

Materias: “…Dairy Cows…”
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Beef cow-calf production experiments on the savannas of eastern Colombia, effects of minerals, early weaning, crossbreeding, urea feeding, and pastures on herd production. por Stonaker, H.H.

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Beef cow-calf production experiments on the savannas of eastern Colombia, effects of minerals, early weaning, crossbreeding, urea feeding, and pastures on herd production. por Stonaker, H.H.

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Changes in bacterial community structure , methanogenesis, rumen fermentation and milking performance of dairy cows under grazing in response to a novel Colombian additive por Mayorga Mogollón, Olga Lucía, Parra Forero, Diana Marcela, Sierra Alarcón, Andrea Milena, Ariza Nieto, Claudia Janeth, Durán Cruz, Erika Natalia

“…The additives are frequently applied to lactating cows to improve milking performance and rumen fermentation efficiency 1 2 T he present study examined the effects of different ways of a additive formulated of native yeast Meyerozyma guilliermondii ( and essential oil from Lippia origanoides Kunth ( from the Alto Patia Nariño, Colombia (Figure 1 on changes in bacterial community structure, methanogenesis, rumen fermentation and milking performance of dairy cows grazing on Cenchrus clandestinus…”
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