Milk production of various combination of Holstein Friesian cows in Loei province
2000
Varunee Ratanaporn | Pichet uengthongkam | Wasan Jantarasanit | Chaiyaporn Soikam | Pirat Sonplang
Milk lactation of 87.5 percent, 75 percent and other Holstein Friesian (HF) dairy cows raised in Loei Province were studied. Means and standard deviations of milk lactation of 87.5 percent HF (n=250) was as followed; milk yield = 4590.27+1470.23 kg, milk in 305 days = 4952.94+1009.98 kg, daily milk yield = 14.59+5.42 kg/d, percentfat = 4.17+0.97, percentprotein = 3.24+0.27, the lactation period = 332.20+67.89 days. Means and standard deviations of milk lactation of 75 percent HF (n=150) was as followed; milk yield = 3485.57+1026.0 kg, milk in 305 days = 4494.48+906.52 kg, daily milk yield = 12.48+4.15 kg/d, percentfat = 4.21+0.89, percentprotein = 3.21+0.32, and the lactation period = 313.40+69.92 days. Means and standard deviations of milk lactation of other percentHF (n=45) was as followed; milk yield = 3455.78+1054.23 kg, milk in 305 days = 3565.75+881.35 kg, daily milk yield = 11.93+9.93 kg, percentfat = 4.03+1.03, percentprotein = 3.20+0.26 and the lactation period = 325.10+76.65 days.
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