2024-03-29T07:50:37Zhttp://buleria.unileon.es/oai/requestoai:buleria.unileon.es:10612/145232022-06-23T09:56:27Zcom_10612_17col_10612_18
Facultad de Veterinaria
005f7248-275c-46b3-9219-965b78c9cc04
600
Carral Llamazares, José M.
185
600
0000-0003-0928-1702
García, Teresa
cb981d6b-ea9d-4584-adab-4c518afe4121
600
Sáez-Royuela Gonzalo, María
965
600
0000-0002-7503-9810
Celada Valladares, Jesús Domingo
219
600
Producción Animal
31f13421-6330-4b7b-af14-e45746c6bd00
500
2021
2022-04-06T12:52:46Z
2022-04-06T12:52:46Z
1355-557X
https://onlinelibrary.wiley.com/doi/10.1111/are.15394
http://hdl.handle.net/10612/14523
10.1111/are.15394
1365-2109
.
The effects of methionine supplementation in diets with different replacement levels of fish meal (FM) by pea protein concentrate (PPC) on survival, growth performance and body composition of juvenile tench (0.39 g of initial weight) were studied in a 90-day experiment. Six practical diets (50% crude protein) differing in replacement level of FM by PPC were tested: 0% (control diet), 35%,45%, 60%, 75% or 85%, corresponding to 0, 285, 366, 487, 608 and 685.4 g PPC kg−1 diet respectively. To provide the same amount as in control diet, methionine was included from the 45% substitution level. Survival rates were high, between 93.7% and 100%, without differences among treatments. Juveniles fed 75% and 85% of replacement diets showed lower (p < 0.05) weight and specific growth rate, which cannot be attributed to methionine deficiency. In all treatments, percentages of fish with externally visible deformities were low (under 0.1%). The increase in PPC diet content resulted in a significant reduction of lipid content in whole-body juvenile. Minimum methionine requirements for juvenile tench could be estimated in 10 g kg−1 diet and supplementation over this amount would be not necessary. Juvenile tench exhibited a high tolerance to PPC dietary content, up to 487 g kg−1, without affecting growth performance, which make possible to consider this vegetal source of protein as a suitable substitute to FM.
SI
eng
Wiley-Blackwell
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
http://creativecommons.org/licenses/by-nc-nd/4.0/
info:eu-repo/semantics/openAccess
Producción animal
3104 Producción Animal
Juvenile tench ( Tinca tinca L.) response to practical diets with different replacement levels of fish meal by pea protein concentrate supplemented with methionine
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Fondo Europeo de Desarrollo Regional (FEDER). Grant Number: AGL2015-64202-R
Aquaculture Research
52
11
5260
5269
THUMBNAIL
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Juvenile_Tench_(Tinca tinca L.)_Response_Practical.pdf
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10612/14523
oai:buleria.unileon.es:10612/14523
2022-06-23 11:56:27.041
BULERIA. Repositorio Institucional de la Universidad de León
buleria@unileon.es
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