Changes in Growth Performance, Nutrient Metabolism, Antioxidant Defense and Immune Response After Fishmeal Was Replaced by Low-Gossypol Cottonseed Meal in Golden Pompano (Trachinotus ovatus)

The present study was designed to elucidate the changing pattern of growth performance, nutrient metabolism, antioxidant defense, and immune response after fishmeal (FM) was replaced by cottonseed meal (CSM). Four isonitrogenous and isolipidic experimental diets (42.5% crude protein, 14.0% crude lip...

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Autores principales:	Yawen Qin, Chaoqun He, Wenqiang Wang, Peng Yang, Jun Wang, Qinbo Qin, Kangsen Mai, Fei Song
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	fishmeal replacement low-gossypol cottonseed meal physio-biochemical changes gene and protein expression golden pompano (Trachinotus ovatus) Science Q General. Including nature conservation, geographical distribution QH1-199.5
Acceso en línea:	https://doaj.org/article/f45a758c7d88424e901174793b50838a
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spelling	oai:doaj.org-article:f45a758c7d88424e901174793b50838a2021-12-01T18:27:51ZChanges in Growth Performance, Nutrient Metabolism, Antioxidant Defense and Immune Response After Fishmeal Was Replaced by Low-Gossypol Cottonseed Meal in Golden Pompano (Trachinotus ovatus)2296-774510.3389/fmars.2021.775575https://doaj.org/article/f45a758c7d88424e901174793b50838a2021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fmars.2021.775575/fullhttps://doaj.org/toc/2296-7745The present study was designed to elucidate the changing pattern of growth performance, nutrient metabolism, antioxidant defense, and immune response after fishmeal (FM) was replaced by cottonseed meal (CSM). Four isonitrogenous and isolipidic experimental diets (42.5% crude protein, 14.0% crude lipid) were formulated to replace 0% (CSM0 diet), 20% (CSM20 diet), 40% (CSM40 diet), and 60% (CSM60 diet) of the FM protein with CSM. Juvenile golden pompano (Trachinotus ovatus) with an initial body weight of 24.8 ± 0.02 g were fed each diet for 6 weeks. The results showed that compared with the control diet, significant differences were not found in the weight gain ratio, specific growth performance, and apparent digestibility of dry matter and protein after 20% FM was replaced by CSM. Higher CSM replacement markedly decreased the growth performance (P < 0.05). Moreover, the CSM20 and CSM40 diets did not depress the feed efficiency ratio and protein efficiency ratio compared with the CSM0 diet. Further exploring the physio-biochemical and molecular responses, the present study also showed that dietary 20–40% CSM replacement had no significant effect on altering the whole body, plasma nutrient contents, free amino acids, or whole-body fatty acid contents. Additionally, the CSM20 diet did not change the mRNA and protein phosphorylation levels of the key enzymes and regulators involved in target of rapamycin (TOR) and amino acid response (AAR) signaling, nutrient metabolism, immune response, and antioxidant defense. Higher CSM inclusion significantly varied the TOR and AAR signaling response, nutrient metabolism, immune response, and antioxidant defense. Based on the results, CSM could successfully replace 20% FM in the formulated diets for golden pompano. This study proposes the optimal inclusion level of CSM in the diet, which has an important significance in optimizing aquafeeds formulation.Yawen QinChaoqun HeWenqiang WangPeng YangJun WangJun WangQinbo QinKangsen MaiFei SongFei SongFei SongFrontiers Media S.A.articlefishmeal replacementlow-gossypol cottonseed mealphysio-biochemical changesgene and protein expressiongolden pompano (Trachinotus ovatus)ScienceQGeneral. Including nature conservation, geographical distributionQH1-199.5ENFrontiers in Marine Science, Vol 8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	fishmeal replacement low-gossypol cottonseed meal physio-biochemical changes gene and protein expression golden pompano (Trachinotus ovatus) Science Q General. Including nature conservation, geographical distribution QH1-199.5
spellingShingle	fishmeal replacement low-gossypol cottonseed meal physio-biochemical changes gene and protein expression golden pompano (Trachinotus ovatus) Science Q General. Including nature conservation, geographical distribution QH1-199.5 Yawen Qin Chaoqun He Wenqiang Wang Peng Yang Jun Wang Jun Wang Qinbo Qin Kangsen Mai Fei Song Fei Song Fei Song Changes in Growth Performance, Nutrient Metabolism, Antioxidant Defense and Immune Response After Fishmeal Was Replaced by Low-Gossypol Cottonseed Meal in Golden Pompano (Trachinotus ovatus)
description	The present study was designed to elucidate the changing pattern of growth performance, nutrient metabolism, antioxidant defense, and immune response after fishmeal (FM) was replaced by cottonseed meal (CSM). Four isonitrogenous and isolipidic experimental diets (42.5% crude protein, 14.0% crude lipid) were formulated to replace 0% (CSM0 diet), 20% (CSM20 diet), 40% (CSM40 diet), and 60% (CSM60 diet) of the FM protein with CSM. Juvenile golden pompano (Trachinotus ovatus) with an initial body weight of 24.8 ± 0.02 g were fed each diet for 6 weeks. The results showed that compared with the control diet, significant differences were not found in the weight gain ratio, specific growth performance, and apparent digestibility of dry matter and protein after 20% FM was replaced by CSM. Higher CSM replacement markedly decreased the growth performance (P < 0.05). Moreover, the CSM20 and CSM40 diets did not depress the feed efficiency ratio and protein efficiency ratio compared with the CSM0 diet. Further exploring the physio-biochemical and molecular responses, the present study also showed that dietary 20–40% CSM replacement had no significant effect on altering the whole body, plasma nutrient contents, free amino acids, or whole-body fatty acid contents. Additionally, the CSM20 diet did not change the mRNA and protein phosphorylation levels of the key enzymes and regulators involved in target of rapamycin (TOR) and amino acid response (AAR) signaling, nutrient metabolism, immune response, and antioxidant defense. Higher CSM inclusion significantly varied the TOR and AAR signaling response, nutrient metabolism, immune response, and antioxidant defense. Based on the results, CSM could successfully replace 20% FM in the formulated diets for golden pompano. This study proposes the optimal inclusion level of CSM in the diet, which has an important significance in optimizing aquafeeds formulation.
format	article
author	Yawen Qin Chaoqun He Wenqiang Wang Peng Yang Jun Wang Jun Wang Qinbo Qin Kangsen Mai Fei Song Fei Song Fei Song
author_facet	Yawen Qin Chaoqun He Wenqiang Wang Peng Yang Jun Wang Jun Wang Qinbo Qin Kangsen Mai Fei Song Fei Song Fei Song
author_sort	Yawen Qin
title	Changes in Growth Performance, Nutrient Metabolism, Antioxidant Defense and Immune Response After Fishmeal Was Replaced by Low-Gossypol Cottonseed Meal in Golden Pompano (Trachinotus ovatus)
title_short	Changes in Growth Performance, Nutrient Metabolism, Antioxidant Defense and Immune Response After Fishmeal Was Replaced by Low-Gossypol Cottonseed Meal in Golden Pompano (Trachinotus ovatus)
title_full	Changes in Growth Performance, Nutrient Metabolism, Antioxidant Defense and Immune Response After Fishmeal Was Replaced by Low-Gossypol Cottonseed Meal in Golden Pompano (Trachinotus ovatus)
title_fullStr	Changes in Growth Performance, Nutrient Metabolism, Antioxidant Defense and Immune Response After Fishmeal Was Replaced by Low-Gossypol Cottonseed Meal in Golden Pompano (Trachinotus ovatus)
title_full_unstemmed	Changes in Growth Performance, Nutrient Metabolism, Antioxidant Defense and Immune Response After Fishmeal Was Replaced by Low-Gossypol Cottonseed Meal in Golden Pompano (Trachinotus ovatus)
title_sort	changes in growth performance, nutrient metabolism, antioxidant defense and immune response after fishmeal was replaced by low-gossypol cottonseed meal in golden pompano (trachinotus ovatus)
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/f45a758c7d88424e901174793b50838a
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Changes in Growth Performance, Nutrient Metabolism, Antioxidant Defense and Immune Response After Fishmeal Was Replaced by Low-Gossypol Cottonseed Meal in Golden Pompano (Trachinotus ovatus)

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