Abstract
Considerable research has been conducted comparing animal and plant responses between rotational and continuous stocking, but more studies are needed to evaluate intensive, multi-paddock rotational stocking for managing forages in the southeastern USA. A 2-yr study was conducted with bermudagrass [Cynodon dactylon (L.) Pers.] pastures that were drill-planted with wheat (Triticum aestivum L.) and ryegrass (Lolium multiflorum Lam.) to compare steer performance and forage nutritive values between continuous stocking, 3-paddock low-intensity and 11-paddock high-intensity rotational stocking systems for both the cool-season annuals and warm-season perennial. In vitro dry matter digestibility (IVDMD) and crude protein (CP) were similar (P > 0.10) between continuous stocking and averages of pregraze, midgraze, and postgraze sample times for both rotation systems. There were decreases (P 0.10) by the grazing treatments in either season. Higher stocking rates were achieved (P 0.10) during the warm season. Thus, there was higher (P 0.10) during the warm season. Results of the study indicate that rotational stocking can enhance steer liveweight gain per acre because of increased stocking rate on wheat-ryegrass, but not on bermudagrass. Also, the more intensive 11-paddock system was not more productive than the 3-paddock system in either season.
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