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<p>We investigated the effects of brewery waste as a substrate for rearing <i>Tenebrio molitor</i> on larvae growth performance and lipid composition. One thousand and five hundred <i>Tenebrio molitor</i> larvae were randomly assigned to five experimental treatments. Experimental treatments were created by replacing wheat bran with increasing levels of brewery waste: 0, 25, 50, 75 and 100%. <i>Tenebrio molitor</i> larvae growth performance was substantially changed by replacing wheat bran with incremental amounts of brewery waste, most notably by quadratic effects on larvae final body weight, daily body weight gain and substrate intake. Similarly, replacing wheat bran with incremental amounts of brewery waste linearly improved feed conversion ratio and reduced mortality of <i>Tenebrio molitor</i>. Larvae receiving 50% brewery waste had the highest final body weight, daily weight gain and substrate. Lipid content of <i>Tenebrio molitor</i> larvae increased linearly by replacing wheat bran with increasing amounts of brewery waste. Substantial changes were reported for larvae fatty acid profile. More notably, the use of brewery waste as an alternative rearing substrate increased stearic acid (C18:0) and palmitic acid (C16:0) content of <i>Tenebrio molitor</i> larvae. Myristic Acid (C14:0), Linoleic Acid (C18:2n6), Σ polyunsaturated and Σ n-3 polyunsaturated acid reduced linearly (<i>P</i> &lt; 0.05) with adding incremental amounts of brewery waste. Whereas, pentadecanoic Acid (C15:0), Monounsaturated Heptadecanoic Acid (C17:1 n-5) and Linolenic Acid (C18:3 n-3) responded quadratically. Overall, our results indicate that brewery waste is a promising rearing substrate for <i>Tenebrio molitor</i> and markedly changes larvae lipid composition.</p>

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The use of brewery waste as substrate on the lipid content and profile of the larvae Tenebrio molitor

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年6月22日

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  • Andressa Pelizari,
  • Gabriel Nascimento de Souza Paulo,
  • Rodrigo Borille,
  • Caren Paludo Ghedini,
  • Tatiana Emanuelli,
  • Camila Sant’Anna Monteiro,
  • Rafael Lazzari

摘要

We investigated the effects of brewery waste as a substrate for rearing Tenebrio molitor on larvae growth performance and lipid composition. One thousand and five hundred Tenebrio molitor larvae were randomly assigned to five experimental treatments. Experimental treatments were created by replacing wheat bran with increasing levels of brewery waste: 0, 25, 50, 75 and 100%. Tenebrio molitor larvae growth performance was substantially changed by replacing wheat bran with incremental amounts of brewery waste, most notably by quadratic effects on larvae final body weight, daily body weight gain and substrate intake. Similarly, replacing wheat bran with incremental amounts of brewery waste linearly improved feed conversion ratio and reduced mortality of Tenebrio molitor. Larvae receiving 50% brewery waste had the highest final body weight, daily weight gain and substrate. Lipid content of Tenebrio molitor larvae increased linearly by replacing wheat bran with increasing amounts of brewery waste. Substantial changes were reported for larvae fatty acid profile. More notably, the use of brewery waste as an alternative rearing substrate increased stearic acid (C18:0) and palmitic acid (C16:0) content of Tenebrio molitor larvae. Myristic Acid (C14:0), Linoleic Acid (C18:2n6), Σ polyunsaturated and Σ n-3 polyunsaturated acid reduced linearly (P < 0.05) with adding incremental amounts of brewery waste. Whereas, pentadecanoic Acid (C15:0), Monounsaturated Heptadecanoic Acid (C17:1 n-5) and Linolenic Acid (C18:3 n-3) responded quadratically. Overall, our results indicate that brewery waste is a promising rearing substrate for Tenebrio molitor and markedly changes larvae lipid composition.