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Articles by Loerch, S. C.
Journal of Animal Science, Vol 69, Issue 6 2321-2328, Copyright © 1991 by American Society of Animal
Science
JOURNAL ARTICLE
Efficacy of plastic pot scrubbers as a replacement for
roughage in high-concentrate cattle diets
S. C. Loerch
Ohio State University, Ohio Agricultural Research and Development Center, Wooster 44691.
Effects of plastic pot scrubbers on feedlot performance and ruminal metabolism of steers
fed all-concentrate diets were determined. In Trial 1, 31 crossbred steers (means initial
Page:
BW, 290 kg) were penned and fed individually. Treatments were 1) 85% concentrate15% corn silage diet, 2) 100% concentrate diet, and 3) 100% concentrate diet + ruminal
insertion of eight plastic pot scrubbers per steer. During the first 112 d of the trial, steer
ADG did not differ (P greater than .10) due to treatment. From d 113 to 152, steers
provided with pot scrubbers had 16% greater ADG than those fed the 100% concentrate
diet without pot scrubbers (P = .18). In Trial 2, 78 crossbred steers (means initial BW,
315 kg) were penned individually and fed the diets used in Trial 1. Steers fed the 100%
concentrate diet received zero, four or eight pot scrubbers. From d 113 to 167, steers
provided with four or eight pot scrubbers or fed the 85% concentrate diet had greater (P
less than .10) gains than steers fed the 100% concentrate diet without pot scrubbers. In
Trial 3, 120 steers (means initial BW, 286 kg) were grouped in 12 pens and limit-fed an
all-concentrate diet for 84 d. Sixty steers were provided with six pot scrubbers each.
Performance was not affected (P greater than .10) by the use of pot scrubbers during the
84-d growing phase. During the subsequent 84-d finishing phase, half the steers receiving
each treatment were switched to either an 85% concentrate-15% corn silage or an 100%
concentrate diet offered for ad libitum consumption.(ABSTRACT TRUNCATED AT
250 WORDS)
This article has been cited by other articles:
M. S. Whetsell, E. C. Prigge, and E. L. Nestor
Influence of mass of ruminal contents on voluntary intake and
digesta passage in steers fed a forage and a concentrate diet
J Anim Sci, June 1, 2004; 82(6): 1806 - 1817.
[Abstract] [Full Text] [PDF]
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Copyright © 1991 by the American Society of Animal Science.