Aguilar-Ramírez J, Santos-Ricalde R, Pech-Martínez V, Montes-Pérez R

Language: Spanish
References: 17
Page: 17-24
PDF size: 36.02 Kb.

ABSTRACT

Introduction. The use of native forages for domestic animal feeding has been practiced in mexican rural areas, since these resources are readily available in backyards or homegardens. The forages are grasses and legumes which are used for feeding ruminants, however little has been studied about these forages for feeding poultry in backyard.
Objective. The aim of this experiment was to evaluate productive performance, digestibility and economic profit of “criollo” poultry fed with Chaya (Cnidoscolus chayamansa) and Huaxin (Leucaena leucocephala).
Material and Methods. Digestibility of dry matter and apparent metabolizable energy of Chaya and Huaxin in twenty fowls over twenty two days were measured. Intake of dry matter, apparent digestibility, liveweight gain, feed gain ratio, apparent metabolizable energy, economic profit were evaluated in 98 seven week old criollo chickens with 7 different diets: without Chaya or Huaxin which is suplemented with sorgum-soja only (control group); 10, 20 and 30% Chaya included; 10, 20 and 30% Huaxin included.
Results. Digestibility and apparent metabolizable energy were 42.1% and 1946 kcal/kg of dry matter to Chaya, 35.6% and 1365 kcal/kg of dry matter to Huaxin respectively. Liveweight gain, digestibility of dry matter and feed-gain ratio were negatively affected (p‹0.05) as forage level increased. Liveweight gain, feed-gain ratio and digestibility of dry matter were better (p‹0.05) in Chaya than in Huaxin treatments. The profits obtained for use Chaya and Huaxin in 0%, 10% and 20% were $1.60, $1.40, $1.29 and $1.53, $0.83, $0.23 respectively (mexican pesos).
Conclusion. The inclusion of forages in poultry diets affects negatively the productive performance and digestibility, however, poultry fed with Chaya had better performance than poultry fed with Huaxin. In that way, economic benefices were greater when chaya diets were used.

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