Comparison of the parameters of the lactation curve between normal and difficult calvings in Iranian Holstein cows

Comparison of the parameters of the lactation curve between normal and difficult calvings in Iranian Holstein cows

To evaluate effect of dystocia on the lactation curve characteristics for milk yield and composition in Holstein cows, six non-linear models (Brody, Wood, Sikka, Nelder, Dijkstra and Rook) were fitted on 5,917,677 test day records for milk yield (MY), fat (FP) and protein (PP) percentages, fat to pr...

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Bibliographic Details
Main Author: Navid Ghavi Hossein-Zadeh
Format: Article
Language:English
Published: Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria 2019-04-01
Series:Spanish Journal of Agricultural Research
Subjects:
calving difficulty
dairy cow
mathematical model
peak yield
productive performance
Online Access:http://revistas.inia.es/index.php/sjar/article/view/13673

Internet

http://revistas.inia.es/index.php/sjar/article/view/13673

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