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Tenebrio molitor larvae meal as fish meal alternative: impacts in juvenile narrow-clawed crayfish (Pontastacus leptodactylus)

Sayı: 2026 27 Eylül 2026
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Tenebrio molitor larvae meal as fish meal alternative: impacts in juvenile narrow-clawed crayfish (Pontastacus leptodactylus)

Öz

A 60-day trial examined replacing fish meal (FM) protein with defatted Tenebrio molitor (TM) larvae meal in diets for juvenile narrow-clawed crayfish (Pontastacus leptodactylus). Six isonitrogenous, isoenergetic diets with 0–100% FM protein replacement were tested on 600 stage II juveniles (four replicates of 25 per treatment). Growth performance was similar between the control and 40% TM groups (final weight and SGR did not differ significantly, p>0.05), but replacement levels above 40% significantly reduced growth and survival, with the 100% TM group showing the lowest final weight and survival (48%). Molting frequency and cheliped injury did not differ across treatments. Histological analysis showed normal hepatopancreas and intestine in the control and 20% TM groups. At ≥40% TM inclusion, hepatopancreatic damage (pigment deposits, elevated B-cell counts, degeneration, necrosis) and progressive shortening of intestinal villi were observed, along with luminal content stasis. Overall, up to 20% FM replacement with TM larvae meal can be used safely without harming growth or gut/hepatopancreas health, while higher inclusion levels risk long-term digestive tissue damage.

Anahtar Kelimeler

Tenebrio molitor, Crayfish, fish meal replacement, growth performance, histopathology

Kaynakça

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Kaynak Göster

APA
Uzunmehmetoğlu, O. Y., Bahadır Koca, S., Özmen, Ö., Erol, K. G., Özdoğan, H. B. E., Koca, H. U., Öztuna, İ. H., & Akın, M. (2026). Tenebrio molitor larvae meal as fish meal alternative: impacts in juvenile narrow-clawed crayfish (Pontastacus leptodactylus). Journal of Anatolian Environmental and Animal Sciences, 2026. https://doi.org/10.35229/jaes.1977607
AMA
1.Uzunmehmetoğlu OY, Bahadır Koca S, Özmen Ö, vd. Tenebrio molitor larvae meal as fish meal alternative: impacts in juvenile narrow-clawed crayfish (Pontastacus leptodactylus). Journal of Anatolian Environmental and Animal Sciences. 2026;(2026). doi:10.35229/jaes.1977607
Chicago
Uzunmehmetoğlu, Oğuz Yaşar, Seval Bahadır Koca, Özlem Özmen, vd. 2026. “Tenebrio molitor larvae meal as fish meal alternative: impacts in juvenile narrow-clawed crayfish (Pontastacus leptodactylus)”. Journal of Anatolian Environmental and Animal Sciences, sy 2026. https://doi.org/10.35229/jaes.1977607.
EndNote
Uzunmehmetoğlu OY, Bahadır Koca S, Özmen Ö, Erol KG, Özdoğan HBE, Koca HU, Öztuna İH, Akın M (01 Eylül 2026) Tenebrio molitor larvae meal as fish meal alternative: impacts in juvenile narrow-clawed crayfish (Pontastacus leptodactylus). Journal of Anatolian Environmental and Animal Sciences 2026
IEEE
[1]O. Y. Uzunmehmetoğlu vd., “Tenebrio molitor larvae meal as fish meal alternative: impacts in juvenile narrow-clawed crayfish (Pontastacus leptodactylus)”, Journal of Anatolian Environmental and Animal Sciences, sy 2026, Eyl. 2026, doi: 10.35229/jaes.1977607.
ISNAD
Uzunmehmetoğlu, Oğuz Yaşar - Bahadır Koca, Seval - Özmen, Özlem - Erol, Kamile Gonca - Özdoğan, Hasan Batuhan Emre - Koca, Habil Uğur - Öztuna, İsmail Hakkı - Akın, Mustafa. “Tenebrio molitor larvae meal as fish meal alternative: impacts in juvenile narrow-clawed crayfish (Pontastacus leptodactylus)”. Journal of Anatolian Environmental and Animal Sciences. 2026 (01 Eylül 2026). https://doi.org/10.35229/jaes.1977607.
JAMA
1.Uzunmehmetoğlu OY, Bahadır Koca S, Özmen Ö, Erol KG, Özdoğan HBE, Koca HU, Öztuna İH, Akın M. Tenebrio molitor larvae meal as fish meal alternative: impacts in juvenile narrow-clawed crayfish (Pontastacus leptodactylus). Journal of Anatolian Environmental and Animal Sciences. 2026. doi:10.35229/jaes.1977607.
MLA
Uzunmehmetoğlu, Oğuz Yaşar, vd. “Tenebrio molitor larvae meal as fish meal alternative: impacts in juvenile narrow-clawed crayfish (Pontastacus leptodactylus)”. Journal of Anatolian Environmental and Animal Sciences, sy 2026, Eylül 2026, doi:10.35229/jaes.1977607.
Vancouver
1.Oğuz Yaşar Uzunmehmetoğlu, Seval Bahadır Koca, Özlem Özmen, Kamile Gonca Erol, Hasan Batuhan Emre Özdoğan, Habil Uğur Koca, İsmail Hakkı Öztuna, Mustafa Akın. Tenebrio molitor larvae meal as fish meal alternative: impacts in juvenile narrow-clawed crayfish (Pontastacus leptodactylus). Journal of Anatolian Environmental and Animal Sciences. 01 Eylül 2026;(2026). doi:10.35229/jaes.1977607