鶏の排泄物処理によって得られるイエバエ幼虫および蛹の飼料価値

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  • Nutritive Value of House Fly Larvae and Pupae Fed on Chicken Feces as Food Source for Poultry.
  • 鶏の排せつ物処理によって得られるイエバエ幼虫およびさなぎの飼料価値
  • ニワトリ ノ ハイセツブツ ショリ ニ ヨッテ エラレル イエバエ ヨウチュウ オヨビ サナギ ノ シリョウ カチ

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Nutritive value of the larvae and pupae of house fly, Musca domestics L. was estimated as food source for poultry. Chemical analysis showed that dried larvae and pupae contained ca. 60% crude protein (CP) and ca. 20% crude fat, their amino acid composition were similar to that of fish meal. Both larvae and pupae were considered to be comparable with fish meal but larvae seemed to be better than pupae with regard to their higher body weight. The metabolizable energy value (ME) of dried larvae (some percent rest moisture) was determined to be 3.79kcal/g which was higher than fish meal. The experimental diet containing 7% dried ground larvae and control diet with 7% fish meal were adjusted such that both diets supplied with nearly identical contents of CP, ME and amino acid composition. The composition satisfied nutritional requirements of the starter feed for broiler chicks. A feeding trial to newly hatched broiler chicks was conducted until 24 days of age to evaluate house fly larvae as alternative protein source to fish meal. No significant differences in body weight gain and feed conversion ratio were observed between the chicks fed on the experimental diet and those fed on the control diet. The dressing percentage of experimental chicks was significantly higher than that of the control chicks. As for the quality of tight meat, little or no differences in content of CP, crude fat and amino acid composition were found between experimental and control chicks. The results show that house fly larvae fed on chicken feces can serve as a protein source without loss in quality compared to fish meal.

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