Resultados de búsqueda - "Cowes"

Effekter på mjölkmängd och mjölksammansättning när ko och kalv hålls tillsammans i tidig laktation por Löfgren Orebjörk, Filippa

Kalvningsintervall hos svenska köttkor : finns det genetisk variation som kan användas i avelsarbetet? por Lennartsson, Maria

“…The fertility of the beef cows is important for the profitability in beef cattle production. …”

Adoption of grade cattle technology in Kenya: A combined farm-level and spatial approach. por Baltenweck, Isabelle

“…Smallholders are believed to have a comparative advantage in rearing grade cows, but constraints to adoption are numerous: the cost of a grade cow is relatively high, and the dairy enterprise is risky. …”
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Production aspects of intensification and milk market quality in Amhara region, Ethiopia por Addisu, B., Mesfin, B., Mekonnen, Kindu, Duncan, Alan J.

“…The proportion of crossbred cows exceeded that of indigenous cows in high market quality sites but the reverse applied in medium and low market quality sites. …”
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Vattenjärnhaltens betydelse för mjölkkors hälsa och produktion por Olofsson, Helena

“…There are so far not many studies published about the relevance for high iron content in water and dairy cow health and production. Therefore, the aim of this study was to investigate if there is a connection between the iron content in water and the health of dairy cows. …”
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Entry Points for Reduction of Greenhouse Gas Emissions in Small-Scale Dairy Farms: Looking Beyond Milk Yield Increase por Vries, Marion de, Zahra, Windi Al, Wouters, Adriaan P., Middelaar, Corina E.M. van, Oosting, Simon J., Tiesnamurti, Bess, Vellinga, Theun V.

“…Characteristics of farms with the 25% lowest (<3291 kg milk/cow/y), medium 50% (3291–4975 kg milk/cow/y), and 25% highest milk yields (≥4976 kg milk/cow/y) were compared. …”
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Oxidative and inflammatory status, daily weight gain, intake and feed efficiency on natural congenitally Neospora caninum infected dairy calves por Miqueo, Evangelina, Cruz, Micaela Solange, Moore, Prando Dadin, Campero, Lucia Maria

“…This study explored the effect of Neospora caninum infection on oxidative and inflammatory status in newborn dairy calves and the relationship between antibody levels in dairy cows and congenital transmission. The study involved 59 cow-calf pairs from a dairy herd in Mar y Sierras Basin, Argentina. …”
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Cattle herd structure and dynamics at Abet por Milligan, K.

“…Includes a discussion on herd sizes, sex ratio at various ages & factors affecting it i.e. losses, sales/purchases, percentage of milking cows and calf: cow ratios, inferred from collected data.…”
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Prevalence of clinical and subclinical mastitis in smallholder dairy farms in Kiambu, Kenya por Hansen, N.S., Jensen, R.

“…Early detection and correct mastitis treatment are crucial for the cow's recovery, thus increasing animal health welfare and minimizing economic losses for the farmer. …”
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Assessment of the effect of tsetse control on livestock productivity - a case study in northern Cote d'Ivoire por Rowlands, G.J., D'Ieteren, G.D.M., Coulibaly, L., Hecker, P.A., Leak, S.G.A., Nagda, S.M.

“…Mean calf growth rate over the wet season of 1987, prior to tsetse control, was 243 + 48 (standard deviation among herds) g per day; mean cow body weight in 1987 was 223 + 15 kg; mean cow PCV, 29.8 + 2.5 percent; mean conception rate by 6 months postcalving, 28 + 22 percent; median monthly trypanosome prevalence was 21.4 percent (range 3.9-32.0 percent) in animals under 24 months of age and 12.6 percent (range 0.0-44.7 percent) in cows. …”
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Liggbåsunderlag i lösdriftsstallar för kor : jämförelse av tre utföranden por Schiöler, Peder

Underlag och strömedel i liggbås för mjölkkor : betydelse för djurens hälsa, välbefinnande och produktion por Augustsson, Jenny

Hackelselängdens betydelse för tuggtid och foderkonsumtion hos mjölkkor por Bergfors, Anna

“…Today, our cows experience a harder pressure to achieve higher milk yield. …”
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Kreatininutsöndring och kväveutnyttjande hos dikor som ges olika typer av grovfoder por Duvelid, Emma

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Production characteristics of Angoni cattle in Mozambique: 1. Non-genetic influences on pre-and post-weaning growth por Tomo, P.S.M., Tawah, C.L., Swanepoel, F.J.C., Hoogenboezem, J.M.

“…Calves from least fertile cows grew more rapidly and were heavier at all ages than those from the average or most fertile cows.…”
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Celltal som mått på mjölkens kvalitet med avseende på mjölkens sammansättning por Gustavsson, Sandra

“…According to this literature review the relation between SCC and milk composition is not reliable either on udder quarter, cow composite or bulk tank milk level. SCC was related to lactose, casein and whey protein on udder quarter level; lactose and whey protein on cow composite level and lactose on bulk tank milk level. …”

Förekomst av Klebsiella pneumoniae i avföring hos mjölkkor por Lektonius, Marie

“…Cows affected by mastitis caused by Klebsiella (K.) pneumoniae often become seriously ill. …”
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Åkerböna i samodling med vårvete som helgrödesensilage till mjölkkor por Haag, Therese

“…By the end of the experiment all cows had been fed all the silages sometime during the study. …”

Comportamiento en pastoreo del ganado bovino Criollo Argentino y Aberdeen Angus ecotipo Riojano, en pastizales naturales del Chaco Arido por Herrera Conegliano, Oscar Ariel

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The effect of drinking frequency on some aspects of the productivity of zebu cattle por Nicholson, M.J.

“…Examines effects of giving water every day, on alternate days or every 3rd day on calving percentage, birth weight, weaning weight, post-weaning growth, change in weight & condition score in lactating & dry cows, water & feed intake milk intake of calves, and morbidity & mortality in a group of Boran, Brahman & Friesian X Boran cows in Ethiopia.…”
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