Navegação Ciências Agrárias por Assunto "Persistency of lactation"

Resultados 1-2 de 2

    • Genetic avaluation for persistency of lactation in Holstein cows using a random regression model 

      Cobuci, Jaime Araújo; Euclydes, Ricardo Frederico; Costa, Claudio Napolis; Torres, Robledo de Almeida; Lopes, Paulo Sávio; Pereira, Carmen Silva (2007) [Artigo de periódico]
      A model for analyzing test day records including both fixed and random coefficients was applied to the genetic evaluation of first lactation data for Holstein cows. Data comprising 87045 test-day milk yield records from ...

    • Heterosis in the components of lactation curves of Girolando cows 

      Daltro, Darlene dos Santos; Padilha, Alessandro Haiduck; Gama, Luís Telo da; Silva, Marcos Vinicius Gualberto Barbosa; Panetto, João Cláudio do Carmo; Machado, Juliana Dementshuk; Braccini Neto, José; Cobuci, Jaime Araújo (2019) [Artigo de periódico]
      The objective of this study was to evaluate the effect of heterosis on the lactation curve components of Girolando cattle obtained by fitting different mathematical models. Data consisted of 258,891 test day milk yield ...