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Effects of zeranol on skeletal growth of cull cows and heifers (a note) Open Access

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Author or creator
Chaudhary, Z. I.
Price, M. A.
Butson, S.
Makarechian, M.
Additional contributors
Subject/Keyword
cattle
zeranol
cull cows
feedlot performance
bone growth
carcass traits
Type of item
Journal Article (Published)
Language
English
Place
Time
Description
Thirty-two cull cows aged from 1 to 13 yr were allocated to five age groups and fed individually for 82 days, then slaughtered. Half of the cows within each group were implanted with 36 mg of zeranol. Zeranol had no significant effect on average daily gain, feed efficiency or backfat thickness, but caused a decrease in radio-ulna mass (P = 0.10) and length (P = 0.03). Rate of bone growth at the distal end of the radio-ulna decreased with increasing age to 0 at 4–5 yr.
Date created
1985
DOI
doi:10.7939/R3DN3ZX8T
License information
Rights
@1985 Chaudhary, Z. I., Price, M. A., Butson, S., Makarechian, M. This version of this article is open access and can be downloaded and shared. The original author(s) and source must be cited.
Citation for previous publication
Chaudhary, Z.I., Price, M.A., Butson, S. and Makarechian, M. (1985). Effects of zeranol on skeletal growth of cull cows and heifers (a note). Canadian Journal of Animal Science, 65, 511-513.  http://dx.doi.org/10.4141/cjas85-059

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File format: pdf (Portable Document Format)
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File size: 116944
Last modified: 2016:06:24 18:09:15-06:00
Filename: cjas_65-511
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File title: EFFECTS OF ZERANOL ON SKELETAL GROWTH OF CULL COWS AND HEIFERS
File author: Z. I. CHAUDHARY, M. A. PRICE, S. BUTSON, M. MAKARECHIAN
Page count: 3
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