Nutritional value of Tenebrio molitor larvae meal for broiler chickens: metabolizable energy and standardized ileal amino acid digestibility

Filho, Marcos Antonio Nascimento; Pereira, Rafaela; Oliveira, Ana Beatriz Santos de; Suckeveris, Diana; Burin, Alvaro Mario; Soares, Carla Aparecida; Menten, José Fernando Machado

doi:10.1016/j.japr.2020.10.001

Cited by 22 publications

(11 citation statements)

References 25 publications

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“…(2020; Table 2). The protein content of TM meal (538.1 g/kg in a recent study) was close to the protein content of common feed components such as soybean meal (440–480 g/kg) and fish meal (500–600 g/kg) used in the poultry industry (Nascimento Filho et al., 2021). However, TM meal contains a greater amount of ether extract (280.3 g/kg) than soybean meal (216.0 g/kg) and fish meal (117.0 g/kg; Nascimento Filho et al., 2021).…”

Section: Discussionsupporting

confidence: 57%

“…The protein content of TM meal (538.1 g/kg in a recent study) was close to the protein content of common feed components such as soybean meal (440–480 g/kg) and fish meal (500–600 g/kg) used in the poultry industry (Nascimento Filho et al., 2021). However, TM meal contains a greater amount of ether extract (280.3 g/kg) than soybean meal (216.0 g/kg) and fish meal (117.0 g/kg; Nascimento Filho et al., 2021). In addition, the data in Table 2 showed that TM meal had the same or higher levels of most essential amino acids than substances such as soybean meal and fish meal (Hong et al., 2020).…”

Section: Discussionsupporting

confidence: 57%

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Growth performance and intestinal morphometric features of broiler chickens fed on dietary inclusion of yellow mealworm (Tenebrio molitor) larvae powder

Sedgh-Gooya

Torki

Darbemamieh

et al. 2022

Veterinary Medicine & Sci

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Climate change and the lack of conventional feed ingredients have made edible insects a highly nutritious alternative to feed production. The use of insects as food may help solve socio-economic and environmental problems around the world and be in line with the United Nations Sustainable Development Goals. In this study, the growth performance and intestinal morphology of broiler chickens were evaluated under the in uence of adding different levels of Tenebrio molitor larvae meal (TM meal) to their diets. One hundred eighty day-old broiler chickens were divided into 3 treatments and 5 replications (12 chickens/pen). The experimental diets included a control diet and treatments containing 2.5 and 5% TM meal, which were fed to birds in the starter (0-10 days) and grower (11-25 days) stages, and during the nal period (26-42 days), all birds were fed a regular nisher diet. The results showed that the diet containing TM meal had no remarkable effect on the mortality rate and feed intake (FI) of broilers (P > 0.05). In the period of starter, the addition of 2.5% TM meal to broilers diet increased body weight gain (BWG) than the control group (P £ 0.05). Also, the use of 2.5% TM meal in the starter period showed a signi cant effect on reducing the feed conversion ratio (FCR) compared to the birds fed by the control diet (P £ 0.05). Besides, the height of the villus, the depth of the crypt, and the ratio of them were not altered among the different treatments (P > 0.05). Overall, it can be concluded that TM meal could improve growth performance in the starter period, and had no negative effects on broilers' performance and intestinal morphology in all the periods of the experiment.

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Section: Discussionsupporting

confidence: 57%

Section: Discussionsupporting

confidence: 57%

Growth performance and intestinal morphometric features of broiler chickens fed on dietary inclusion of yellow mealworm (Tenebrio molitor) larvae powder

Sedgh-Gooya

Torki

Darbemamieh

et al. 2022

Veterinary Medicine & Sci

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“…There are relatively few studies involving Tenebrio molitor meal for slow-growing chickens for 95 days, as the growth cycle is usually shorter (approximately 60 days) [ 27 , 28 ]. The results obtained in this work are partially in agreement with those found by Benzertiha et al [ 29 ], who determined that the addition of insect meal during the first 35 days of life of chickens improved their BWG and FI, but increased their FCR.…”

Section: Discussionmentioning

confidence: 99%

Performance of Slow-Growing Chickens Fed with Tenebrio molitor Larval Meal as a Full Replacement for Soybean Meal

Nieto

Plaza

Lara

et al. 2022

Veterinary Sciences

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Insect larval meal is an increasingly common protein source in poultry systems. In this study, the effect of replacing soybean meal with Tenebrio molitor larval meal on the performance of slow-growing chickens was assessed. A total of 128 one-day-old chickens (Colorield) were randomly divided into a control group (C) (n = 64), fed with soybean meal, and an experimental group (TM) (n = 64), fed with T. molitor larvae meal. The chicks were slaughtered after 95 days. Three different isoenergetic and isoproteic diets (F1, F2 and F3) were used for each group. The F1 diet resulted in higher body weight gain and higher feed and water intakes in group C, but a lower feed conversion ratio. Contrarily, diets F2 and F3 did not produce differences in the studied parameters between the two groups, except for body weight gain in the case of diet F2, which was highest in group C. Therefore, weight gain and feed and water intakes were significantly higher in group C, but there were no differences in feed conversion ratio or live weight. In conclusion, the total replacement of soybean meal with T. molitor larvae meal resulted in a reduction in feed intake and a consequent reduction in weight. During this period, partial rather than total substitution may be recommended.

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“…Furthermore, the AIDC of the dispensable amino acids for T. molitor larvae meal was higher than those for SBM and other protein sources, such as full-fat SBM, and sunflower meal [88][89][90]. The standardized ileal digestibility coefficients (SIDCs) of AAs for T. molitor larvae meal were reported in the study of Nascimento Filho et al [91], who observed that the SIDC of all the indispensable AAs in T. molitor larvae meal was greater than 0.81. The Thr (0.82) and His (0.81) for T. molitor larvae meal had the lowest SIDC among the indispensable AAs, while the Arg (0.92), Phe (0.90), and Lys (0.89) had the highest SIDC among the indispensable AAs.…”

Section: Poultrymentioning

confidence: 94%

Mealworm (Tenebrio molitor Larvae) as an Alternative Protein Source for Monogastric Animal: A Review

Hong

Han

Cho

2020

Animals

160

116

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Edible insects have been used as an alternative protein source for food and animal feed, and the market size for edible insects has increased. Tenebrio molitor larvae, also known as mealworm and yellow mealworm, are considered a good protein source with nutritional value, digestibility, flavor, and a functional ability. Additionally, they are easy to breed and feed for having a stable protein content, regardless of their diets. Therefore, T. molitor larvae have been produced industrially as feed for pets, zoo animals, and even for production animals. To maintain the nutrient composition and safety of T. molitor larvae, slaughtering (heating or freezing) and post-slaughtering (drying and grinding) procedures should be improved for animal feed. T. molitor larvae are also processed with defatting or hydrolysis before grinding. They have a high quality and quantity of protein and amino acid profile, so are considered a highly sustainable protein source for replacing soybean meal or fishmeal. T. molitor has a chitin in its cuticle, which is an indigestible fiber with positive effects on the immune system. In studies of poultry, the supplementation of T. molitor larvae improved the growth performance of broiler chickens, without having negative effects on carcass traits, whereas some studies have reported that there were no significant differences in the growth performance and carcass yield of broiler chickens. In studies of swine, the supplementation of T. molitor larvae improved the growth performance and protein utilization of weaning pigs. Furthermore, 10% of T. molitor larvae showed greater amino acid digestibility than conventional animal proteins in growing pigs. However, there are some challenges regarding the biosafety, consumer’s acceptance, and price for the use of T. moiltor larvae in animal feed. Consequently, T. molitor larvae could be used as an alternative or sustainable protein source in monogastric animal feed with a consideration of the nutritional values, biosafety, consumer’s acceptance, and market price of T. molitor larvae products.

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Nutritional value of Tenebrio molitor larvae meal for broiler chickens: metabolizable energy and standardized ileal amino acid digestibility

Cited by 22 publications

References 25 publications

Growth performance and intestinal morphometric features of broiler chickens fed on dietary inclusion of yellow mealworm (Tenebrio molitor) larvae powder

Growth performance and intestinal morphometric features of broiler chickens fed on dietary inclusion of yellow mealworm (Tenebrio molitor) larvae powder

Performance of Slow-Growing Chickens Fed with Tenebrio molitor Larval Meal as a Full Replacement for Soybean Meal

Mealworm (Tenebrio molitor Larvae) as an Alternative Protein Source for Monogastric Animal: A Review

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