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Gahi-1 Pearl Millet and Two Sorghum x Sudangrass Hybrids as Pasture for Yearling Beef Cattle¹

‘Gahi-1’ pearl millet [Pennisetum typhoides (Burin.) Stapf and C. E. Hubb.] was compared with ‘Lindsey 77F’ and ‘Sudax’ (SX-11) sorghum (Sorghum vulgare Pers.) x sudangrass [Sorghum sudanense (Piper) Stapf] hybrids as pasture for yearling beef cattle. The experiment covered 3 years and included an early and a late planting in each year. Pastures were planted with a grain drill and grazing was rotational. The cattle, which were of British breeding, received no supplemental feed except for salt and other minerals. Gahi-1 millet produced superior gains per hectare per day (3.70 kg) to SX-11 (2.64 kg) or Lindsey 77F (2.34 kg) on early planted pastures. Gahi-1 also produced higher gains per hectare per day (2.60 kg) than Lindsey 77F (1.85 kg) or SX-11 (1.73 kg) on late planted pastures. Carrying capacity was greater on pastures of millet for both dates of planting. Clipping trials were also conducted with these three annual grasses during the three years of the experiment. The clipping trials utilized row plantings at a spacing of 0.914 in. Dry matter production of the three grasses was similar in each year except in 1964 when Gahi-1 produced a significantly (P<.01) greater amount (3.18 metric tons) than Sudax (2.32 metric tons) or Lindsey 77F (2.18 metric tons).

Key Words: Planting dates

² Associate Agronomist, West Florida Experiment Station, Jay, Florida 32565.

Received for publication October 11, 1969.