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AOAC (1991) Official methods of analysis. 15th Edition, Association of Official Analytical Chemists, Washington DC.

has been cited by the following article:

  • TITLE: On-farm use of legume (Phaseolus calcaratus) and Ruzi grass on rumen fermentation and milk production in lactating dairy cows

    AUTHORS: Metha Wanapat, Narong Wongnen, Wisith Sangkloy, Ruangyote Pilajun, Suchittra Kanpukdee

    KEYWORDS: Phaseolus calcaratus; Ruzi Grass; Rumen Fermentation; Milk Production; Dairy Cows; Small-Holder Dairy Farmers

    JOURNAL NAME: Agricultural Sciences, Vol.3 No.3, May 15, 2012

    ABSTRACT: The experiment was conducted on 10 small-holder dairy farmers under the administration of Dairy Promotion Organization of Thailand (DPO) in the Northeast region of Thailand. The aim of the research was to investigate the effect of legume (Phaseolus calcaratus, PC) as roughage mixed with Ruzi grass for dairy cows. Fours cows per farm were assigned into 2 groups including Ruzi grass (control) and PC mixed with ruzi grass (at the ratio 50:50), were given ad libitum as a roughage sources. All cows were offered a concentrate with ratio to milk yield of 1:2. The results revealed that roughage source did not affect on ruminal pH and temperature, ammonia nitrogen, blood urea nitrogen, and milk urea nitrogen concentrations. Total volatile fatty acid, acetic acid, propionic acid, and butyric acid proportions, and acetic acid to propionic acid ratio were not significantly different among treatments. Dry matter intake and digestibility of nutrient including dry matter, organic matter, crude protein, neutral detergent fiber and acid detergent fiber were not significantly different among treatments. Moreover, amount of digested dry mater was similar among treatments. However, cows received PC mixed with Ruzi grass tended to be higher on dry matter, organic matter, and crude protein digestibility and dry matter digestible nutrient intake than control group. Milk yield, and 3.5% fat corrected milk were significantly higher (P