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Mostrando ítems 21-29 de 29
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Mycotoxin sequestering agent: Impact on health and performance of dairy cows and efficacy in reducing AFM1 residues in milk
(Elsevier, 2024-01)The objectives of this study were to evaluate the exposure to a diet naturally contaminated with mycotoxins on lactation performance, animal health, and the ability to sequester agents (SA) to reduce the human exposure to ... -
Productive response and reproductive performance of dairy cows subjected to different feeding systems
(Scientific Research Publishing, 2020-01)Fifty Holstein cows (2.6 ± 1.0 lactations) in early lactation (52.6 ± 16.4 days in milk) calved in autumn and producing 34.3 (±4.4) kg milk per cow∙day−1 were randomly assigned for 27 weeks to one of two treatments (feeding ... -
Productive Response of Dairy Cows Fed with Different Levels of Totally Mixed Ration and Pasture
(2018-07)Forty multiparous Holstein cows in early lactation (66 ± 19 days) were assigned to one of four treatments that consisted in different ratios of total mixed rations (TMR) and pasture at 100% TMR (T0), 75:25 (T1) 50:50 (T2) ... -
Recría de vaquillonas: efecto de la alimentación sobre el desarrollo de la glándula mamaria
(EEA Rafaela, INTA, 2022-05)El éxito del manejo alimenticio de las vaquillonas de reposición depende en buena medida del potencial de producción de leche de la futura vaca. La principal limitante para alcanzarlo, es el número de células secretoras ... -
Recría de vaquillonas: efecto de la dieta sobre el desarrollo de la glándula mamaria
(Estación Experimental Agropecuaria Balcarce, INTA, 2022-05)En este artículo aportamos conceptos para llevar adelante una recría que nos asegure un adecuado desarrollo de la glándula mamaria, a fin de optimizar la producción de leche de nuestro rodeo lechero. -
Risk factors of S. aureus intramammary infection in pre partum dairy heifers under grazing conditions and molecular characterization of isolates from heifers and cows
(Cambridge University Press, 2020-02)The aims of the research reported here were to identify potential risk factors associated with the presence of Staphylococcus aureus intramammary infection (IMI) in pre partum dairy heifers on 17 dairy farms from three ... -
Sequía y deficiencia de fibra en dietas de vacas lecheras
(Estación Experimental Agropecuaria Balcarce, INTA, 2023-04)En el contexto actual de sequía extrema, donde la mayoría de los productores lecheros está atravesando o atravesará un déficit en la disponibilidad de forraje, resulta imperioso formular raciones que cubran los requerimientos ... -
Sistemas de alimentación combinando pastura y ración totalmente mezclada : respuesta productiva y comportamiento reproductivo de vacas lecheras
(EEA Rafaela, 2014)La competencia de la agricultura por el uso de la tierra y su consecuente aumento de valor ha generado interrogantes sobre la continuidad de los sistemas ganaderos con alternativas de dedicarse a la actividad agrícola, ... -
The association between mastitis and reproductive performance in seasonally-calved dairy cows managed on a pasture-based system = Asociación entre la mastitis y el desempeño reproductivo en rodeos lecheros Holstein de base pastoril y servicios estacionados
(2014)The objective of this study was to assess association between clinical, subclinical mastitis, body condition score and the reproductive performance of cows under seasonally calving conditions in a pasture-based management ...