A comparison of two mathematical model of the lactation curve in dairy cattle.
نویسندگان
چکیده
منابع مشابه
comparison of the amount of debris extruded apically in two rotary techniques: flexmaster and m2
چکیده ندارد.
15 صفحه اولComparison 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: Japanese Journal of Biometrics
سال: 1992
ISSN: 2185-6494,0918-4430
DOI: 10.5691/jjb.13.15