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You searched for +publisher:"Kansas State University" +contributor:("John Jaeger"). One record found.

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1. Bennett, Bradley Wayne. The effects of nutrition and reproductive strategies on performance of beef cattle grazing native shortgrass range in western Kansas.

Degree: MS, Department of Animal Sciences and Industry, 2013, Kansas State University

Cattle grazing dormant native range (< 7% crude protein; CP) require supplementation of additional protein to sustain body weight (BW) and body condition score (BCS). Daily delivery of these supplements is an economic burden to cattle producers faced with challenging economic circumstances. Supplementing cows infrequently (as little as once/week) has produced equivalent BW and BCS changes compared to daily delivery. Dried distiller’s grains with solubles (DDGS) provides more ruminally-undegradable protein (RUP; 50-60%) compared to traditional oilseed-meal supplements (i.e. soybean meal) that are >50% ruminally-degradable protein (RDP). Therefore, our objective was to evaluate the effects of supplementation frequency on performance, reproductive success, eating behavior, and subsequent calf performance of spring-calving cows supplemented with DDGS. No differences in ending BW (P = 0.69) and BCS (P = 0.49), or changes in BW and BCS over the supplementation period (P = 0.82 and 0.70, respectively) were observed among cows supplemented every d, every 3 d, or every 6 d. Calf BW at birth, weaning weight (WW), and average daily gain (ADG) were similar among treatments (P = 0.19, 0.12, and 0.10, respectively). First-service conception rate (FSCR) and final pregnancy rate (PR) were also not affected by supplementation frequency (P = 0.62 and 0.76, respectively). The development of replacement heifers is a large expense for cow-calf producers. Improved breeding and heifer development strategies aimed at ensuring the success of replacement females have been developed but reproductive failure still remains a problem. The stress associated with breeding and handling procedures may decrease reproductive success. Therefore, the objective was to determine if intramuscular administration of flunixin meglumine (1.1 mg/kg BW) 14 days post-breeding would improve FSCR and PR in non-transported replacement heifers. Under the conditions of our study, flunixin meglumine did not improve (P = 0.87) first service conception rate above that of control heifers (41.2% and 42.3%, respectively). Final pregnancy rate also was not different between treatments and averaged 81.8% (P = 0.40). Advisors/Committee Members: John Jaeger.

Subjects/Keywords: Supplementation frequency; Dried distiller's grains; Flunixin meglumine; Beef cows; Beef heifers; Animal Sciences (0475)

…Acknowledgements My experience at Kansas State University has been tremendous and one I… …Agricultural Research Center Kansas State University, Hays 67601 †Department of Animal Sciences and… …Industry Kansas State University, Manhattan 66506 20 Abstract Pregnant Angus-cross cows (… …way imaginable. There is no doubt in my mind that my graduate committee, Dr. John Jaeger, Dr… …State University, Manhattan. Heldt, J. S., R. C. Cochran, C. P. Mathis, B. C. Woods, K. C… 

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APA (6th Edition):

Bennett, B. W. (2013). The effects of nutrition and reproductive strategies on performance of beef cattle grazing native shortgrass range in western Kansas. (Masters Thesis). Kansas State University. Retrieved from http://hdl.handle.net/2097/16294

Chicago Manual of Style (16th Edition):

Bennett, Bradley Wayne. “The effects of nutrition and reproductive strategies on performance of beef cattle grazing native shortgrass range in western Kansas.” 2013. Masters Thesis, Kansas State University. Accessed January 22, 2021. http://hdl.handle.net/2097/16294.

MLA Handbook (7th Edition):

Bennett, Bradley Wayne. “The effects of nutrition and reproductive strategies on performance of beef cattle grazing native shortgrass range in western Kansas.” 2013. Web. 22 Jan 2021.

Vancouver:

Bennett BW. The effects of nutrition and reproductive strategies on performance of beef cattle grazing native shortgrass range in western Kansas. [Internet] [Masters thesis]. Kansas State University; 2013. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/2097/16294.

Council of Science Editors:

Bennett BW. The effects of nutrition and reproductive strategies on performance of beef cattle grazing native shortgrass range in western Kansas. [Masters Thesis]. Kansas State University; 2013. Available from: http://hdl.handle.net/2097/16294

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