Evaluation of total mixed ration silage with brewers grains for dairy buffalo in Tarai, Nepal.
ANIMAL SCIENCE JOURNAL(2015)
摘要
To investigate the effects of total mixed ration (TMR) silage, which contained brewers grain and rice straw as a substitute for conventional concentrate on feed intake and milk production in middle-to-late lactation buffaloes, four multiparous Murrah buffaloes were assigned to a 3x3 Latin square design experiment. The TMR silage, which had higher neutral and acid detergent fiber contents and digestibility than concentrate (P<0.05) and similar crude protein (CP) and total digestible nutrient (TDN) contents with concentrate were used for the lactation experiment. The treatments were control (CTL) fed concentrate at 0.6% of body weight (BW), and T1 and T2 fed the TMR silage at 0.6 and 1.2% of BW on a dry matter (DM) basis, respectively, with rice straw ad libitum. Daily intakes of DM, CP and TDN, and BW change were higher in T2 than in CTL and T1 (P<0.05). Although milk composition did not differ among the treatments, milk yield (MY) was higher in T2 (P<0.05). There were no significant differences in MY/DM intake and MY/TDN intake among the treatments. The increase of BW and MY in middle-to-late lactation buffaloes might have been due to high TDN intake from supplementary TMR silage.
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关键词
brewers grain,dairy buffalo,food by-product,total mixed ration silage
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