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Berger, Larry L. DeHaan, Kevin Charles 2011-05-07T12:15:18Z 2011-05-07T12:15:18Z 10000-01-01 1990 Six experiments were conducted to determine the effects of prenatal testosterone treatment (P) alone or in combination with postnatal steroid implantation (I) on growth performance, carcass traits, nitrogen balance and endocrine status of cattle and sheep. In Exp. 1, P heifers possessed improved (P $$.10) were observed with fecal, urinary and total N excretion and amount of N absorbed. Nitrogen retained (% of intake and g/d) was higher (P $<$.05) in P ewe lambs compared to control ewe lambs. Plasma insulin and insulin-like growth factor I concentrations were 99.0% and 28.7% higher (P $<$.05) in P ewe lambs, respectively. Non-esterified fatty acid (NEFA) concentrations were 41.3% greater (P $<$.05) in P ewe lambs. Made available in DSpace on 2011-05-07T12:15:18Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 9026167.pdf: 3755039 bytes, checksum: f6bbfd9367037e999d883b8d034a61da (MD5) Previous issue date: 1990 Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:38:44Z Item is restricted indefinitely. Restriction data tranferred 2014-07-01T11:16:12-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission ETDs are only available to UIUC Users without author permission U of I Only AAI9026167 (UMI)AAI9026167 http://hdl.handle.net/2142/19686 eng Copyright 1990 DeHaan, Kevin Charles Agriculture, Animal Culture and Nutrition Effects of prenatal testosterone treatment on growth performance and carcass characteristics of cattle and sheep text Animal Sciences Animal Sciences University of Illinois at Urbana-Champaign Dissertation Ph.D.