Suction Strainer Technique in Obtaining Rumen Fluid Samples from Intact Lambs

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Abstract
The suction strainer technique developed in this study is a valid and efficient method of obtaining rumen fluid samples from intact lambs. Although rumen pH tended to be somewhat high and total volatile fatty acid level tended to be somewhat low in samples taken via the suction strainer as compared to samples taken via rumen fistula, these differences were small and consistent and did not appear to lend any error to comparative measurements. The suction strainer technique making use of intact lambs proved to be sufficiently sensitive to detect consistent changes in ruminal acetate-propionate ratios when the ration was switched from a lower to a higher concentrate level. The advantage of being able to obtain suitable rumen samples readily from intact animals was pointed out, in that rumen fermentation measurements can be made in relatively large numbers of animals in which simultaneous measurements may be desired such as growth and feed conversion in overall feedlot performance. Copyright © . .

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