Estudio de la incubabilidad y crianza en aves criollas de traspatio

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AURELIANO JUÁREZ CARATACHEA
MARCO ANTONIO ORTÍZ ALVARADO

Abstract

THE PURPOSE OF THIS WORK WAS TO STUDY INCUBABILITY INDICATORS SUCH AS FERTILITY, HATCHING AND EMBRIONARY DEATH OF NATIVE HEN EGGS, AS WELL AS EFFICIENCY FOOD INDICATORA: FOOD INTAKE, WEIGHT GAIN AND FOOD CONVERSION. TO ACHIEVE THIS, EGGS FROM RURAL COMMUNITIES FROM THE MORELIA AND TARIMBARO MUNICIPALITIES IN THE STATE OF MICHOACAN WERE COLLECTED. FROM 1 162 EGGS COLLECTED, THE RESULTS WERE: SELECTED EGGS FOR INCUBATION, 56.8% (100%); DISCRIMINATED EGGS, 43.2%; EARLY EMBRIONARY DEATH, 6.7%; LATE EMBRIONARY DEATH, 8.3%; WITH BROKEN VITELUS, 4.5%; PECKED NOT HATCHING, 5.7%, AND TOTAL FERTILITY 82.2 %. THE AVERAGE FOOD INTAKE AT 4, 8 AND 12 WEEKS OF AGE WAS 34, 48 AND 72 G PER ANIMAL BY DAY, AND THE EFFICIENCY FOOD WAS 3 650:1, 3 250:1 AND 4 030:1 ON THE SAME AGE, RESPECTIVELY. INCUBABILITY PROBLEMS OF NATIVE HEN EGGS RESULTED IN BAD QUALITY SHELL, EMBRIONARY DEATH, INFERTILITY, AND A BETTER INDEX OF EFFICIENCY FOOD AT 8 WEEKS OF AGE.
Keywords:
EGG INCUBABILITY NATIVE FOWLS EFFICIENCY FOOD

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