Resultados de búsqueda - "Cowes"

Age at First Gestation in Beef Heifers Affects Fetal and Postnatal Growth, Glucose Metabolism and IGF1 Concentration por Lopez Valiente, Sebastian, Rodriguez, Alejandro Martin, Long, Nathan M., Quintans, Graciela I., Miccoli, Florencia Estefanía, Lacau Mengido, Isabel M., Maresca, Sebastian

“…Heifers impregnated by AI from a single bull at 15 months of age (15 M, n = 20), or 27 months of age (27 M, n = 20), and multiparous cows (adult, n = 20) were used. Dams from all groups were managed in a single group during gestation and lactation. …”
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Heifer management characterization in dairy herds from the west of Buenos Aires, Argentina = Caracterização da gestão de novilhas em rebanhos leiteiros do oeste de Buenos Aires, Ar... por Demateis Llera, Federico, Vissio, Claudina, Turiello, María Paula, Herrero, María Alejandra, Larriestra, Alejandro José

“…Cluster and principal coordinates analysis were applied to classify the farms based on all variables collected, grouped in four main areas: pre-fresh cows, colostrum management, pre-weaning calf ’s management, and personnel. …”
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PastorC-Tambo: a simplified model to assess carbon balance of dairy farms por Zurbriggen, Gabriel Alberto, Piazza, A.M., Montico, Sergio, Garcia, Karina Elizabet, Galli, Julio Ricardo

“…To assess the sensitivity of the model, different forage productivities (high: 18, 7.5, and 27 t DM/ha, medium: 12, 5 and 18 t DM/ha, and low: 6, 2.5, and 9 t DM/ha for alfalfa, oat, and maize silage, respectively), concentrate supplementation levels (350, 250, and 150 g/l milk for high, medium, and low, respectively), stocking rates (from 0.27 to 3.56 cows/ha, with use efficiencies of 25, 45, 65, and 85%), effluent treatment system, and milking time, were simulated for representative dairy production systems. …”
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Bovine coccidiosis: Retrospective study in Central Argentina por Vilatuña, E.J., Canton, German Jose, Morrell, Eleonora Lidia, Lloberas, María Mercedes, Garcia, Juan Agustin

“…Outbreaks occurred throughout the year but occurred significantly more often in autumn and predominantly in cow-calf systems. Calves younger than 12 months were the most affected group, with outbreaks commonly associated to stress factors such as weaning, recent transportation, and overcrowding. …”
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Genome-wide association study for somatic cell score in Argentinean dairy cattle por Nani, Juan Pablo, Raschia, Maria Agustina, Poli, Mario Andres, Calvinho, Luis Fernando, Amadio, Ariel

“…Phenotypic data consisted of 3530 SCC records from 544 Holstein and Holstein x Jersey cows owned by a single dairy company located in the Central dairy area of Argentina. …”
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Molecular Characterization of the First Bovine Herpesvirus 4 (BoHV-4) Strains Isolated from In Vitro Bovine Embryos production in Argentina por González Altamiranda, Erika Analía, Manrique, Julieta Marina, Perez, Sandra, Rios, Glenda Laura, Odeon, Anselmo Carlos, Leunda, Maria Rosa, Jones, Leandro Roberto, Verna, Andrea Elizabeth

“…Moreover, the high variability among the BoHV-4 strains isolated from aborted cows in Argentina highlights the importance of further research on the role of this virus as an agent with the potential to cause reproductive disease in cattle. …”
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Predicting male fertility in dairy cattle using markers with large effect and functional annotation data por Nani, Juan Pablo, Rezende, Fernanda M., Peñagaricano, Francisco

“…Genomic prediction for cow fertility has received much attention in the last decade, while bull fertility has been largely overlooked. …”
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Spontaneous virus reactivation in cattle chronically infected with bovine leukemia virus por Jaworski, Juan Pablo, Petersen, Marcos Iván, Carignano, Hugo, Trono, Karina Gabriela

“…Case presentation: In order to investigate if virus reactivation occurred in vivo during the course of BLV infection, we followed up for 328 days one Holstein cow (> 3 years) chronically infected with BLV which presented high-proviral loads. …”
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Case study: phenotypic and economic effect of crossbreeding in a Swedish red and white dairy cattle herd por Ekenberg, Victoria

“…Traits investigated were, kg milk, kg fat, kg protein, cow survival, somatic cell count, conception rate, height at withers and live weight. …”

Biogas till kraftvärme på Wapnö por Svensson, Jörgen

“…Today there are about 1000 dairy cows, 1600 hectare of farmland and a dairy plant. …”
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Lammproduktionens ekonomiska påverkan av MTR por Dahlstrand, Mattias

“…For the production of de cows the conditions will be all new when the subsidy for sucklecow is totally disengaged from the production. …”

Nötkreaturens val av betesvegetation på naturliga betesmarker por Pelve, Maja

“…The grazing behaviour of the cows was recorded in a behaviour study. In each pasture area behaviour observations were performed during three days each month (June-August). …”

Bienestar animal en bovinos de leche: selección de indicadores vinculados a la salud y producción por Martinez, Gabriela Marcela, Suarez, Victor Humberto, Ghezzi, Marcelo Daniel

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Leptospirosis bovina diagnostico serológico y control por Gallego M., Manuel l., Gallego B., Juan F.

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Celltalet i mjölk hos svenska mjölkgetter por Thor, Ellen

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Fåglar och spridning av salmonellasmitta - råd till mjölk- och nötköttsproducenter por Rosberg, Ida

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Reproduktion och kalvobservationer hos älg i norra Småland por Averhed, Gustav

Influence of temperature on selected life-history traits of black soldier fly (Hermetia illucens) reared on two common urban organic waste streams in Kenya por Shumo, M., Khamis, F.M., Tanga, C.M., Fiaboe, K.K.M., Subramanian, S., Ekesi, S., Huis, A. van, Borgemeister, C.

“…Therefore, we studied the effect of temperature and substrate type, i.e., brewers’ spent grain (SG) and cow dung (CD), on the development and survival of BSF larvae. …”
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Sweet potato (Ipomoea batatas) vine silage: A cost-effective supplement for milk production in smallholder dairy-farming systems of East Africa? por Gakige, Jesse K., Gachuri, C., Butterbach-Bahl, Klaus, Goopy, John P.

“…Key results Daily milk yield was lower for SPVSWB than for CDC groups, although comparable (not significant), in both LL (6.2 vs 7.5 L/day) and EL (14.2 vs 16.0 L/day); however, the lower cost of production for SPVSWB (23.2 vs 48.7 KES/kg DM) ensured that margins on milk income over feed (per cow per day) were greater for SPVSWB in both periods. …”
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Assessment of milk quality and food safety challenges in the complex Nairobi dairy value chain por Kiambi, S., Fèvre, Eric M., Alarcón, P., Gitahi, N., Masinde, J., Kang'ethe, Erastus K., Aboge, G., Rushton, J., Onono, J.O.

“…Content thematic analysis identified food safety challenges. Cow milk products (N = 290) were collected from farms (N = 63), collection centers (N = 5), shops/kiosks (N = 37), milk bars (N = 17), roadside vendors (N = 14), restaurants (N = 3), milk vending machines (N = 2), mobile traders (N = 2) and a supermarket (N = 1). …”
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