본문 바로가기
[학술저널]

조피볼락의 사료원으로 갈색거저리의 영양적 가치 및 소화율 평가

  • 학술저널

조피볼락의 사료원으로 갈색거저리의 영양적 가치 및 소화율 평가

Nutritional Value and Digestibility of Tenebrio molitor As a Feed Ingredient for Rockfish (Sebastes schlegeli)

장태호(강릉원주대학교) 정성목(강릉원주대학교) 김에스더(강릉원주대학교) 이용석(순천향대학교) 이상민(강릉원주대학교)

DOI : 10.13000/JFMSE.2017.29.3.888

표지

북마크 0

리뷰 0

이용수 119

피인용수 0

초록

Tenebrio molitor larvae, also known as yellow mealworms (MW), are rich in protein and lipid and can serve as a potential alternative protein and energy source in commercial aquafeeds. Therefore, this study attempts to evaluate the effects of different drying methods on the nutritional value of MW meal. For this, live MW were cold-anaesthetized before being subjected to three different types of drying methods, including freeze-drying, oven-drying at 60°C and air-drying at room temperature for three days, and compared for proximate composition and energy content. An in-vivo digestibility test was then conducted to evaluate the nutrient digestibility of MW meal in diets for rockfish, Sebastes schlegeli. A test diet was prepared by mixing the MW meal with a reference diet (Ref) in a 30:70 ratio with chromium oxide as an inert marker at the inclusion level of 0.5%. Rockfish with mean body weight of 150 g were stocked into a fecal collection system equipped with fiberglass tanks of 400 L capacity. Each group of fish was fed one of the experimental diets to apparent satiation for 4 weeks. The results of the proximate analysis showed that drying methods had no significant effect on crude protein, crude lipid, ash and energy contents of MW. Despite being a rich source of protein and lipid, MW meal was deficient in certain amino acids, particularly methionine, and highly unsaturated fatty acids, particularly 22:6n-3 (DHA) and 20:5n-3 (EPA). MW meal showed high digestibility values for protein (93%), lipid (97%) and energy (88%). These results may indicate that MW meal is a nutritious and acceptable feed ingredient, with comparable digestibility values to conventional animal and plant feedstuffs such as fish meal and soybean meal, in practical diet for rockfish at grower stage.

목차

Abstract
Ⅰ. 서론
Ⅱ. 재료 및 방법
Ⅲ. 결과 및 고찰
Ⅳ. 결론
References

리뷰(0)

도움이 되었어요.0

도움이 안되었어요.0

첫 리뷰를 남겨주세요.
Insert title here