Effects of Appended Alfalfa Hay on Performance of Lactating Dairy Cows
Author(s): LIU Jun-biao, LIU Guang-lei, ZHANG Yong-feng, YANG Guang, LI Qian-qian
Pages: 19-21
Year: 2015 Issue: 18
Journal: China Dairy Cattle
Keyword: Cows; Alfalfa hay; Production performance; Economic beneifts;
Abstract: The experiment studied the effects on production performance of lactating dairy and economic beneifts by replacing part of concentrate using alfalfa hay. Twenty Holstein lactation cows were selected with similar age, avoirdupois, lactation period, milk quantity and randomly grouped two teams,control group and test group.The trial was conducted for 60 days.Two kilograms alfalfa hay was substituted for partial concentrated feed of the dairy cow ration.The results indicated that compared with the control group, the test group milk production increased 2.06kg, milk fat and milk protein were respectively increased by 0.1and 0.01 percentage points, the difference was not signiifcant (P>0.05). According to economic beneifts, the proift of test group was increased 7.64 yuan everyday and every cow than control group. The test results showed that, the cow concentrate was replaced by alfalfa hay can improve the production performance of dairy cows and increase economic beneifts. Using alfalfa grass block substitute some extract feed supplement is feasible.
Pages: 19-21
Year: 2015 Issue: 18
Journal: China Dairy Cattle
Keyword: Cows; Alfalfa hay; Production performance; Economic beneifts;
Abstract: The experiment studied the effects on production performance of lactating dairy and economic beneifts by replacing part of concentrate using alfalfa hay. Twenty Holstein lactation cows were selected with similar age, avoirdupois, lactation period, milk quantity and randomly grouped two teams,control group and test group.The trial was conducted for 60 days.Two kilograms alfalfa hay was substituted for partial concentrated feed of the dairy cow ration.The results indicated that compared with the control group, the test group milk production increased 2.06kg, milk fat and milk protein were respectively increased by 0.1and 0.01 percentage points, the difference was not signiifcant (P>0.05). According to economic beneifts, the proift of test group was increased 7.64 yuan everyday and every cow than control group. The test results showed that, the cow concentrate was replaced by alfalfa hay can improve the production performance of dairy cows and increase economic beneifts. Using alfalfa grass block substitute some extract feed supplement is feasible.
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