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Steer Performance on Coastal, Callie and Other Hybrid Bermudagrasses¹

Texas A&M University, College Station 77843

Abstract

Coastal bermudagrass was compared with Callie and three experimental hybrid bermudagrasses at each of four grazing pressures. Steers grazing the open-robust, strongly stoloniferous types at the lightest grazing pressures had average daily gains approximately 46% (P<.01) higher than those of steers grazing Coastal. Total live weight gains per steer were significantly lower for steers grazing Coastal than for those grazing the other hybrids. However, because of differences in carrying capacity among hybrids, only Callie produced greater live weight gains per hectare than did Coastal. Average daily gains for all hybrids decreased (P<.05) with increased grazing pressure. Steers grazing SS-16, an experimental hybrid from Oklahoma, had growth characteristics intermediate to those of steers grazing Coastal and the open-robust types, gaining approximately 20% more per head (P<.05) and per day (P<.05) than steers on Coastal. SS-16 also possesses many of the agronomic traits deemed desirable for animal agriculture.

¹ Technical Article 16349 of the Texas Agr. Exp. Sta. College Station 77843.

² Dept. of Soil and Crop Sci.

³ Dept. of Anim. Sci.

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