Evaluation of full-fat Hermetia illucens larvae meal as a fishmeal replacement for weanling piglets: Effects on the growth performance, apparent nutrient digestibility, blood parameters and gut morphology

Yu, Miao; Li, Zhenming; Chen, Weidong; Rong, Ting; Gang, Wang; Wang, Fengyin; Ma, Xianyong

doi:10.1016/j.anifeedsci.2020.114431

Cited by 35 publications

(56 citation statements)

References 37 publications

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“…There was, however, a tendency for decreased FCR with increased inclusion of BSFL the rst 14 days PW. These results are partly consistent with Yu et al [38], which reported a linear improvement in both ADG and FCR when feeding increasing BSFL inclusion from 0 to 4% in the two rst weeks PW, whereas no differences were found for a four-week feeding period. Contrary, another study showed no differences in performance when feeding up to 8% full-fat BSFL for 15 days, after weaning at 21 days of age [9].…”

Section: Discussionsupporting

confidence: 92%

“…In the present study, there was reduced ATTD of CP with increased inclusion of BSFL, but no difference in trypsin activity was found. A decline in ATTD of CP was also reported by Yu et al [38] when including low amounts of BSFL (< 4%). Reduced CP digestibility with increased dietary inclusion of BSFL has also been reported for broiler chickens [47], Atlantic salmon [37,48], and rainbow trout [49].…”

Section: Discussionsupporting

confidence: 75%

“…Their reported ATTD of CF was overall low (< 70%). Different feed ingredients causing a different fatty acid pro le of the diets, and low inclusion level of BSFL limiting the differences in fatty-acid pro les between diets could explain the contradictory result by Yu et al [38].…”

Section: Discussionmentioning

confidence: 94%

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Full-Fat Insect Meal as a Protein and Energy Source for Weaned Piglets: Effects on Growth Performance, Nutrient Digestibility, Gastrointestinal Function and Microbiota

Håkenåsen

Grepperud

Øverland

et al. 2020

Preprint

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Background: Weaning is associated with growth decline and morphological changes in the gastrointestinal tract of the pig. Insects, such as the Black soldier fly larvae (BSFL), are suggested as a sustainable novel protein source in diets for pigs. They contain chitin, medium chained fatty acids, and anti-microbial peptides, which could improve the gastrointestinal function and health in the post-weaning pig. The objective of this study was therefore to investigate the effect of increasing inclusion of full-fat BSFL in diets for post-weaning pigs on growth performance parameters, digestibility, gut morphology, and the microbial community in the colon. Eighty crossbred weanling pigs were weaned at approximately 32 days of age, with an average weaning weight of 10.6 ± 0.8 kg. For four weeks, the pigs were fed one of four dietary treatments: a control diet or one of three diets containing an increasing amount of full-fat BSFL meal: 4.76% (BSFL5), 9.52% (BSFL10), and 19.06% (BSFL20). Results: Increased level of full-fat BSFL in the diet did not affect growth performance or fecal consistency. A reduction in apparent total tract digestibility (ATTD) of crude protein (P = 0.035) was found for increased inclusion of BSFL, whereas the ATTD of crude fat increased (P<0.001). Jejunal, ileal, or colonic morphometry was not affected by the BSFL inclusion. Some changes in the colon microbiota were observed, but no differences in the short-chain fatty acid concentrations were detected between the dietary treatments. At the phylum level, dietary treatment affected the relative abundance of Bacteroidota, Firmicutes, Campilobacteria, and Thermoplasmatota, but there was no clear pattern relationship with the BSFL inclusion level. At the genus level, the inclusion of BSFL in the diet reduced the relative abundance of Lactobacillus (P = 0.015) compared to the control. Conclusions: Collectively, the results indicate that up to 19.06% of full-fat BSFL meal could be included in a balanced diet for PW pigs without affecting growth performance, gut function, or health.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionsupporting

confidence: 75%

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Full-Fat Insect Meal as a Protein and Energy Source for Weaned Piglets: Effects on Growth Performance, Nutrient Digestibility, Gastrointestinal Function and Microbiota

Håkenåsen

Grepperud

Øverland

et al. 2020

Preprint

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“…As far as bacteria or bacterial metabolites with potential negative effects are concerned, their results showed a decrease in Streptococcus sp., Escherichia coli and in the metabolites involved in amino acids metabolism. The same authors (Yu et al, 2020b) also reported an increase in the relative weight of the small intestine of piglets fed 2 and 4% of HI meal and in the villus height in the jejunum of piglets fed 2% of HI meal, thus suggesting a promoting effect on gut development and metabolism. In contrast, Biasato et al (2019b) reported no effect on the intestinal morphology of pigs fed HI defatted meal.…”

Section: Pigs and Rabbitsmentioning

confidence: 74%

“…The beneficial effect of full fat HI meal (2 and 4%) dietary inclusion on the immune homeostasis of piglets is linked to the increase in serum anti-inflammatory cytokines IL-10 and IgA and simultaneous decrease in the pro-inflammatory cytokine IFN-γ (Yu et al 2020b).…”

Section: Pigsmentioning

confidence: 99%

Beyond the protein concept: health aspects of using edible insects on animals

Gasco

Józefiak

Henry

2021

JIFF

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There is an increasing interest in the use of insects in animal feed since they contain high proteins levels, lipids, vitamins and minerals. In particular, insect-derived proteins are seen as one of the potential solution to face the increasing protein shortage and are able to fully substitute soybean meal or fishmeal in aquaculture or livestock feeds. However, beside their interesting nutritional composition, insects are also rich in bioactive compounds such as chitin, antimicrobial peptides or specific fatty acids with immunostimulating, antimicrobial and/or anti-inflammatory properties able to sustain animal health, increase their resistance to diseases. Further studies will also have to investigate whether insects share similarities with bacterial or parasitical pathogens and may act as immunostimulants. These recent findings may launch insects beyond the protein concept into healthy animal feeds. This review presents the effects of insects and their bioactive compounds on fish and crustaceans, poultry, pigs and rabbits immune system, gut health, microbiota and resistance to diseases.

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Optimization of Drying Parameters for Hermetia illucens Using Oven Drying

2022

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Insects are frequently dried to retain their nutritional quality. The influence of drying temperature and drying time has an effect on the crude lipid yield. The greater moisture loss will lead to a higher lipid yield. Inactivation of larvae by means of freezing followed by oven drying indicates a high amount of free fatty acids. The total fatty acid concentration in Hermetia illucens prepupae was mainly comprised of saturated fatty acids followed by monounsaturated fatty acids and polyunsaturated fatty acids. A substantial amount of lauric acid was discovered and may be beneficial in animal feed. The optimum crude lipid yield and moisture loss temperature were determined.

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Evaluation of full-fat Hermetia illucens larvae meal as a fishmeal replacement for weanling piglets: Effects on the growth performance, apparent nutrient digestibility, blood parameters and gut morphology

Cited by 35 publications

References 37 publications

Full-Fat Insect Meal as a Protein and Energy Source for Weaned Piglets: Effects on Growth Performance, Nutrient Digestibility, Gastrointestinal Function and Microbiota

Full-Fat Insect Meal as a Protein and Energy Source for Weaned Piglets: Effects on Growth Performance, Nutrient Digestibility, Gastrointestinal Function and Microbiota

Beyond the protein concept: health aspects of using edible insects on animals

Optimization of Drying Parameters for Hermetia illucens Using Oven Drying

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