000149892 001__ 149892
000149892 005__ 20251017144636.0
000149892 0247_ $$2doi$$a10.3920/JIFF2022.0037
000149892 0248_ $$2sideral$$a133281
000149892 037__ $$aART-2022-133281
000149892 041__ $$aeng
000149892 100__ $$aFondevila, G.$$uUniversidad de Zaragoza
000149892 245__ $$aProductive performance of Tenebrio molitor larvae in response to the protein level in the substrate
000149892 260__ $$c2022
000149892 5060_ $$aAccess copy available to the general public$$fUnrestricted
000149892 5203_ $$aInsect production for animal feeding is receiving increasing interest worldwide. The dietary protein level is a key factor influencing overall production and feeding costs. Thus, a growth performance trial was conducted with Tenebrio molitor larvae for 28 days using substrate feeds based on wheat grain and barley straw with increasing levels of soybean meal to reach 100 (10P), 120 (12P), 140 (14P) and 160 (16P) g crude protein (CP) per kg dry matter (DM). Four trays per treatment, with 40 larvae and 24 g substrate, were set up. Average mortality was 0.142 and did not differ among treatments. Feed intake decreased linearly (L, P<0.001) and quadratically (Q, P<0.01) and larval growth (mg/d per larvae) tended to decrease (Q, P=0.065) as the dietary CP increased from 100 to 160 g/kg DM. Protein intake, however, increased (L, P<0.001) with the CP content of the diet. Feed to gain ratio decreased (L, P<0.01) as the dietary CP level increased but total production per tray of DM, CP or ether extract, was not affected. In conclusion, an increase in the dietary CP content over 100 g/kg DM by including soybean meal in the substrate might not be needed to optimise larval growth. A CP content in the diet of 100 g/kg might improve the economic results because of lower feeding costs.
000149892 540__ $$9info:eu-repo/semantics/openAccess$$aAll rights reserved$$uhttp://www.europeana.eu/rights/rr-f/
000149892 590__ $$a5.1$$b2022
000149892 591__ $$aENTOMOLOGY$$b4 / 100 = 0.04$$c2022$$dQ1$$eT1
000149892 591__ $$aFOOD SCIENCE & TECHNOLOGY$$b37 / 142 = 0.261$$c2022$$dQ2$$eT1
000149892 592__ $$a0.633$$b2022
000149892 593__ $$aInsect Science$$c2022$$dQ1
000149892 593__ $$aFood Science$$c2022$$dQ2
000149892 594__ $$a5.7$$b2022
000149892 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/submittedVersion
000149892 700__ $$0(orcid)0000-0002-0712-1185$$aFondevila, M.$$uUniversidad de Zaragoza
000149892 7102_ $$12008$$2700$$aUniversidad de Zaragoza$$bDpto. Produc.Animal Cienc.Ali.$$cÁrea Producción Animal
000149892 773__ $$g9, 2 (2022), 205-211$$tJournal of insects as food and feed$$x2352-4588
000149892 8564_ $$s285953$$uhttps://zaguan.unizar.es/record/149892/files/texto_completo.pdf$$yPreprint
000149892 8564_ $$s1492043$$uhttps://zaguan.unizar.es/record/149892/files/texto_completo.jpg?subformat=icon$$xicon$$yPreprint
000149892 909CO $$ooai:zaguan.unizar.es:149892$$particulos$$pdriver
000149892 951__ $$a2025-10-17-14:29:21
000149892 980__ $$aARTICLE