Article
Estimates of genetic parameters and genetic trend for Wood's lactation curve traits of Tunisian Holstein-Friesian cows.
Tropical animal health and production - 1 Jul 2022
Bakri Nour Elhouda, Pieramati Camillo, Sarti Francesca Maria, Giovanini Samira, Djemali M 'Naouer
Abstract excerpt
This study was conducted to (1) estimate Wood's incomplete gamma function parameters (a, b and c) for individual registered Tunisian Holsteins in the 3 first lactations; (2) estimate persistency (Per), peak time (PT), peak yield (PY) and 305-day lactation milk yields (Y305); (3) estimate the genetic parameters of the predicted traits and (4) evaluate the genetic trend of the most heritable traits. Pedigree data...
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