2026-09-21T14:09:15Z https://www.ideals.illinois.edu/oai-pmh

oai:www.ideals.illinois.edu:2142/99376 2023-07-11 col_2142_5131 col_2142_14771 com_2142_5130 com_2142_685 com_2142_397

Shike, Daniel W. Parrett, Douglas F. McCann, Joshua C. Henley, Parker Allen 2018-03-13T15:48:58Z 2018-03-13T15:48:58Z 2017-12-06 2017-12 Mature Simmental × Angus cows (n=96; 693±7.7 kg) were utilized to evaluate the effects of Cornstalk Calving Maximizer TMR® (CSMAX; US Feeds; Eldora, IA) supplement on cow/calf performance, reproduction, and health in a drylot system. Cows were blocked by age and calving date and assigned to one of 12 pens (8 cows·pen-1). Pens were randomly assigned to one of two treatments which were provided from calving through breeding: control (CON; 0.30 kg·cow-1·d-1 wheat midds-based supplement including inorganic trace minerals, n=6) or CSMAX [0.30 kg·cow-1·d-1 of a wheat midds based supplement including: Cu, Zn, Mn, and Co as Bioplex® and Se as Selplex 2000®, 10 g·cow-1·d-1 Intergral A+®, 10 g·cow-1·d-1 Bio-Mos®, and 8 g·cow-1·d-1 Fibrozyme®; All technologies from Alltech, Nicholasville, KY; n=6]. Cow BW and BCS were determined post-calving, breeding, and weaning. Following AI (86±17 d postpartum), bulls were turned out for a 47 d breeding season and cattle were managed as a common group. There was a difference in cow BW at trial initiation (P = 0.05). Cow/calf BW and cow BCS did not differ (P ≥ 0.10) at any other time. Cows supplemented CSMAX tended (P = 0.07) to lose less BW through the supplementation period. Additionally, CSMAX improved diet digestibility (P < 0.01; CSMAX=70%, CON=63%). No differences in AI conception (P = 0.82; CSMAX=68.1% and CON=64.5%), overall pregnancy rate (P = 0.78), or cow/calf health parameters (P ≥ 0.10) were observed. Thus, supplementing drylot, lactating beef cows CSMAX improved dry matter digestibility which tended to decrease weight loss post-partum but this did not translate into an improvement in reproduction. Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2018-03-13 without embargo terms The student, Parker Henley, accepted the attached license on 2017-12-05 at 13:22. The student, Parker Henley, submitted this Thesis for approval on 2017-12-05 at 14:26. This Thesis was approved for publication on 2017-12-06 at 14:24. DSpace SAF Submission Ingestion Package generated from Vireo submission #11863 on 2018-03-13 at 10:10:56 Made available in DSpace on 2018-03-13T15:48:58Z (GMT). No. of bitstreams: 2 HENLEY-THESIS-2017.pdf: 388787 bytes, checksum: ae1304ec51d2676252c7fe46896bdcbc (MD5) LICENSE.txt: 4210 bytes, checksum: 674dcfeace0bd93fd1864f6e0862adb6 (MD5) Previous issue date: 2017-12-06 application/pdf http://hdl.handle.net/2142/99376 en Copyright 2017 Parker Henley Bio-Mos® Chelated trace minerals Cow-calf Fibrozyme® Intergral A+® Effects of cornstalk maximizer on cow performance and reproduction as well as calf performance and health text text Animal Sciences Animal Sciences University of Illinois at Urbana-Champaign Thesis M.S.