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Effect of dietary supplementation with insect fats on growth performance,digestive efficiency and health of rabbits

Journal of Animal Science and Biotechnology 2019年第2期10卷 501-509页

作者： Laura Gasco Sihem Dabbou Angela Trocino Gerolamo Xiccato Maria Teresa Capucchio Ilaria Biasato Daniela Dezzutto marco birolo marco Meneguz Achille Schiavone Francesco Gai Largo Paolo Braccini 2 10095 GrugliascoTurinItaly Department of Veterinary Science University of TurinLargo Paolo Braccini 210095 GrugliascoTurinItaly Department of Comparative Biomedicine and Food Science University of PadovaViale dell’Università1635020 LegnaroPadovaItaly Department of Agronomy Food Natural Resources Animal and Environment University of PadovaViale dell’Università1635020 LegnaroPadovaItaly Veterinary Medical Research Institute for Piemonte Liguria and Valle d’AostaVia Bologna 14810154 TurinItaly Institute of Science of Food Production National Research CouncilLargo Paolo Braccini 210095 GrugliascoTurinItaly Institute of Interdisciplinary Research on Sustainability University of TurinVia Accademia Albertina 1310100 TurinItaly.

Background: The present work aimed at evaluating the effect of the dietary replacement of soybean oil(S) by two types of insect fats extracted from black soldier fly larvae(H, Hermetia il ucens L.) and yel ow mealworm larvae(T, Tenebrio molitor L.) on growth performance, nutrient digestibility, blood parameters, intestinal morphology and health of growing ***: At weaning, 200 crossbred rabbits(36 days old) were allotted to five dietary treatments(40 rabbits/group): a control diet(C) containing 1.5% of soybean oil and four experimental diets where soybean oil was partially(50%) or totally(100%) substituted by H(H50 and H100) or T(T50 and T100) fats. Total tract digestibility was evaluated on 12 rabbits per treatment. The growth trial lasted 41 d and, at slaughtering(78 days old), blood samples were collected from 15 rabbits per treatment, morphometric analyses were performed on duodenum, jejunum and ileum mucosa,and samples of liver, spleen and kidney were submitted to histological ***: No difference was observed between the control and the experimental groups fed insect fats in terms of performance, morbidity, mortality and blood variables. The addition of H and T fats did not influence apparent digestibility coefficients of dry matter, protein, ether extract, fibre fractions and gross energy. Gut morphometric indices and organ histopathology were not affected by dietary inclusion of H and T ***: H and T fats are suitable sources of lipid in rabbit diets to replace soybean oil without any detrimental effect on growth performance, apparent digestibility, gut mucosa traits and health.

关键词： Blood Digestibility Growing rabbit Gut health Insect fats Performances

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Effect of dietary supplementation with insect fats on growth performance,digestive efficiency and health of rabbits

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Journal of Animal Science and Biotechnology 2019年第2期

作者： Laura Gasco Sihem Dabbou Angela Trocino Gerolamo Xiccato Maria Teresa Capucchio Ilaria Biasato Daniela Dezzutto marco birolo marco Meneguz Achille Schiavone and Francesco Gai

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