Effect of monensin on weight gain, growth traits, and semen characteristics
in yearling beef bulls

Effect of monensin on weight gain, growth traits, and semen characteristics in yearling beef bulls

Peters, C.W.; Laudert, S.B.; Corah, L.R.; Nichols, D.A.; Krehbiel, C.L.

Conference paper

Publication Date: 1994

Conference: Cattlemen's Day, 1994, Kansas State University, Manhattan, KS, March 4, 1994
Starting Page: 113, Ending Page: 115
Publisher: Kansas State University. Agricultural Experiment Station and Cooperative Extension Service

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Abstract:

Feeding the ionophore monensin to yearling beef bulls improved (P<.05) weight gain by 4.2%. Final hip height was similar between treatments, but bulls fed monensin had almost 1 cm greater (P<.01) scrotal circumference and more than 10 cm 2 larger (P<.01) pelvic area. Semen characteristics generally were unaffected by treatment. However, bulls fed monensin had less (P<.01) semen motility than controls. Approximately 30 sperm morphology traits were evaluated; values were similar between treatments except for those traits listed. Collection date tended to influence (P<.15) volume, concentration, motility, and postfreeze characteristics.

Keywords: Beef; Bulls; Performance; Monensin; Semen; Ionophore; Morphology

URL for this item: http://hdl.handle.net/2097/4986

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