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Sodium Bicarbonate and Broiler Performance at High Stocking Densities in a Tropical Environment

UNIVASA S. A. de C. V., Avenida Principal x José María Castro Tejero., Apdo. Postal 59, Cd. Industrial, Mérida, Yucatán, México C. P. 97288; Phone: (99) 46-08-60; FAX: (99) 46-08-27

Jose C. Segura

Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Mérida, Yucatán, México 97100

Correspondence: Diego Puron

Two trials attempted to evaluate the effect of the addition of 0.5% sodium bicarbonate (NaHCO₃) to the diet of broilers raised at high stocking densities during the hot and humid month in Yucatan, Mexico. Trial 1 obtained higher body weight and feed consumption, but fewer kg of broiler/m² were used instead of 13.5 males/m². Feed conversion and mortality were similar for both stocking densities. The addition of NaHCO₃ to the diet of the broilers raised at 13.5 birds/m² increased the profit margin by $0.64/m². In Trial 2, however, there were no differences (P>,05) in performance of male or female broilers (13.5 and 15.5 birds/m², respectively) given 0.5% of NaHCO₃ in the diet during the last 2, 3, or 4 wk of production and a control (without NaHCO₃) diet.

Key Words: Body weight • broilers • feed conversion • sodium bicarbonate • stocking density