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Effect Of The Partial Substitution Of A Commercial Feed For Corn Meal On Growth Performance Of Chickens, Óscar Amilcar García Portillo
Effect Of The Partial Substitution Of A Commercial Feed For Corn Meal On Growth Performance Of Chickens, Óscar Amilcar García Portillo
Theses and Dissertations
Nutrition is a primary human need. Families often will raise their own animals to meet these nutritional needs. However, high feed costs can severely limit the viability of these small family enterprises. This study addressed ways to improve poultry production as a means for families to ameliorate their diets and increase income. Research was conducted at the Centro Universitario de Oriente (CUNORI), Chiquimula, Guatemala. For this study, commercial poultry feed was supplemented with corn flour at three treatment levels and fed to poultry. Results indicated that partial substitution of commercial feed with corn flour at these three treatment levels did …
Determination Of Toxicity And Bioactivity Of Four Organic Insecticides Recommended For Control Of Pests In Vegetable Crops, Hugo Humberto Rodriguez Salvatierra
Determination Of Toxicity And Bioactivity Of Four Organic Insecticides Recommended For Control Of Pests In Vegetable Crops, Hugo Humberto Rodriguez Salvatierra
Theses and Dissertations
This work was done to determine the toxicity and bioactivity of four organic insecticides and ultimately find answers about their toxic potential. Thus, farmers will be able to take the necessary precautions when using them. This investigation was performed in the Laboratory of Biology of the Eastern University Center (Chiquimula) at the University of San Carlos, Guatemala. In order to determine the acute toxicity and bioactivity of the organic insecticides ANONAZO, BOX, AJORIN, and NARCISO, five doses were used in albino mice and three concentrations in nauplii of brine shrimp (Artemia salina). The finney basic program was used for calculating …