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	1.	Reproductive efficiency of bulls in natural service: effects of male to female ratio and single- vs multiple-sire breeding groups. [electronic resource] by Rupp, G P Ball, L Shoop, M C Chenoweth, P J Producer: 19771229 In: Journal of the American Veterinary Medical Association vol. 171 Availability: No items available. Save to lists Add to cart (remove)
	2.	Efficiency of single-sire mating programs with beef bulls mated to estrus synchronized females. [electronic resource] by Pexton, J E Farin, P W Gerlach, R A Sullins, J L Shoop, M C Chenoweth, P J Producer: 20121002 In: Theriogenology vol. 32 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)

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