نوع مقاله : مقاله کامل علمی - پژوهشی
نویسندگان
1 دانشگاه علوم کشاورزی و منابع طبیعی گرگان
2 گروه شیلات، دانشگاه آزاد اسلامی، واحد علوم تحقیقات، تهران، ایران
3 دانشگاه علوم کشاورزی و منابغ طبیغی گرگان
چکیده
کلیدواژهها
موضوعات
عنوان مقاله [English]
نویسندگان [English]
This study examines the effect of replacing black soldier fly larvae powder with fishmeal and soybean powder on performance. Growth and blood biochemical factors of common carp fry. Number of 240 common carp juveniles with an average weight of (12.68 ± 0.91) grams in 5 treatments including treatment 1: containing fish meal and soybean meal, treatment 2: containing soybean meal and black soldier fly larvae powder, treatment 3: containing fish meal and black soldier fly larvae powder, treatment 4: soybean powder and treatment 5: black soldier fly larva powder with the same amount of nitrogen and energy. This experiment was conducted in the form of a completely randomized basic design in 3 replications for 8 weeks. In each fiberglass tank, 15 pieces of fish were distributed and fed with experimental rations with 3% of body weight and twice a day. At the end of the experiment, the fish were biometrically measured. To obtain blood parameters, blood was taken from the caudal stem. After numbering, the tubes containing the blood samples were centrifuged and the serum and blood parts were separated and placed inside the numbered tubes, the growth and biochemical indices of fish blood serum were calculated based on standard formulas and data analysis was performed using Duncan's test. The results of this study showed a significant difference in growth and food consumption indices among five treatments (P<0.05). The highest final weight (31.16 ± 2.24 grams), body weight gain percentage (141.36 ± 20.26), specific growth rate (1.56 ± 0.14) and the lowest food conversion coefficient (1.88 ± 0.18) was observed in the third treatment, which showed a significant difference with other treatments (P<0.05). Glucose, albumin values did not show significant differences among different treatments (P≤0.05); But the amount of total protein showed a significant difference among different treatments (P<0.05). Changes in liver enzymes including alkaline phosphatase (ALP), aspartate aminotransferase (AST) and alanine aminotransferase (ALT) did not show significant differences among different treatments (P≤0.05); Therefore, it can be concluded that the simultaneous use of black soldier fly larvae powder and fish powder in the commercial diet of common carp juveniles did not have an adverse effect on the biochemical indices of blood serum. In addition, it improves growth performance, feeding efficiency. Also, this substitution did not have a negative effect on liver function.
کلیدواژهها [English]
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