Comparison of the parameters of the lactation curve between normal and difficult calvings in Iranian Holstein cows
نویسندگان
چکیده
منابع مشابه
Comparison of Different Lactation Curve Models to Describe Lactation Curve in Moroccan Holstein-Friesian Dairy Cows
In this study, the incomplete gamma function, an exponential function, a mixed-log function and a polynomial function were evaluated to describe the lactation curve in Moroccan Holstein-Friesian dairy cows. Data from 1990 to 1999, comprising 77130 monthly milk yields of 6029 dairy cows in 280 dairy herds, were used. Edits were carried out by considering the lactation length (5 d and
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ژورنال
عنوان ژورنال: Spanish Journal of Agricultural Research
سال: 2019
ISSN: 2171-9292
DOI: 10.5424/sjar/2019171-13673