Karolini Tenffen De-Sousa, Viviane Andrade Ligori, Caroline Martins Gonçalves, João Alberto Negrão, Matheus Deniz, André Rabelo Fernandes, Glayk Humberto Vilela Barbosa, Lenira El Faro
Our aims were to evaluate changes in body characteristics, milk yield and milk constituents as well as to determine the relationship between the thermal environment and production characteristics during the first lactation of dairy Gyr cows managed on pasture. Between 2013 and 2015, forty-five primiparous dairy Gyr cows were evaluated from prepartum to 10 months of lactation in Southeast of Brazil. Body weight, body condition score (BCS), subcutaneous fat thickness (SFT), milk yield (305 d), and milk constituents were collected monthly and progesterone was collected weekly...
April 8, 2024: Journal of Dairy Research