Effects of Fly Maggot Protein Replacement of Fish Meal on Growth Performance, Immune Level, Antioxidant Level, and Fecal Flora of Blue Foxes at Weaning Stage
Dietary protein is a key nutritional parameter and warrants special attention in animal husbandry. This study aimed to evaluate the effect of replacing fish meal (F) with fly maggot protein (M) on the growth performance, antioxidant levels, immune indexes, and fecal microflora in weaned blue foxes (...
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ftmdpi:oai:mdpi.com:/2076-2615/12/12/1480/ 2023-08-20T03:59:29+02:00 Effects of Fly Maggot Protein Replacement of Fish Meal on Growth Performance, Immune Level, Antioxidant Level, and Fecal Flora of Blue Foxes at Weaning Stage Yuan Xu Hang Su Ting Li Jing Lv Jiayu Liu Xiujuan Bai agris 2022-06-07 application/pdf https://doi.org/10.3390/ani12121480 EN eng Multidisciplinary Digital Publishing Institute Animal Nutrition https://dx.doi.org/10.3390/ani12121480 https://creativecommons.org/licenses/by/4.0/ Animals; Volume 12; Issue 12; Pages: 1480 Alopex lagopus fishmeal replacement insect protein average daily gain health 16S rRNA high-throughput amplicon target sequencing Text 2022 ftmdpi https://doi.org/10.3390/ani12121480 2023-08-01T05:18:21Z Dietary protein is a key nutritional parameter and warrants special attention in animal husbandry. This study aimed to evaluate the effect of replacing fish meal (F) with fly maggot protein (M) on the growth performance, antioxidant levels, immune indexes, and fecal microflora in weaned blue foxes (Alopex lagopus). Twenty weaned blue foxes were randomly assigned to the control (F diet; 6% of F) or experimental (M diet; F substituted by M) group (10 blue foxes per group). The duration of the trial was 28 days. The results showed that there was no significant difference in average daily gain between group M and group F during the experiment (p = 0.473). Moreover, the diarrhea index was similar between group M and group F during the entire experimental period (p = 0.112). At the end of the experiment, the levels of IL-6 and IgG in group M at 28 d were significantly higher than that in group F (p = 0.004, p = 0.025, respectively), but not IL-1β, IL-2, SIgA, IgM, and TNF-α. The levels of SOD in group M at 28 d were significantly higher than those in group F (p = 0.001), and no difference of MDA and T-AOC was found between group F and M (p = 0.073, p = 0.196, respectively). In both groups, the diversity of fecal microbes first increased and then decreased with the progress of the experimental period. Initially, there were differences in the composition of microbial communities between the two groups. However, this difference was attenuated at later stages of the experimental period. In conclusion, fly maggot protein can replace fish meal as a source of animal protein in feed material for blue foxes during the weaning period. Text Alopex lagopus MDPI Open Access Publishing Animals 12 12 1480 |
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Open Polar |
collection |
MDPI Open Access Publishing |
op_collection_id |
ftmdpi |
language |
English |
topic |
Alopex lagopus fishmeal replacement insect protein average daily gain health 16S rRNA high-throughput amplicon target sequencing |
spellingShingle |
Alopex lagopus fishmeal replacement insect protein average daily gain health 16S rRNA high-throughput amplicon target sequencing Yuan Xu Hang Su Ting Li Jing Lv Jiayu Liu Xiujuan Bai Effects of Fly Maggot Protein Replacement of Fish Meal on Growth Performance, Immune Level, Antioxidant Level, and Fecal Flora of Blue Foxes at Weaning Stage |
topic_facet |
Alopex lagopus fishmeal replacement insect protein average daily gain health 16S rRNA high-throughput amplicon target sequencing |
description |
Dietary protein is a key nutritional parameter and warrants special attention in animal husbandry. This study aimed to evaluate the effect of replacing fish meal (F) with fly maggot protein (M) on the growth performance, antioxidant levels, immune indexes, and fecal microflora in weaned blue foxes (Alopex lagopus). Twenty weaned blue foxes were randomly assigned to the control (F diet; 6% of F) or experimental (M diet; F substituted by M) group (10 blue foxes per group). The duration of the trial was 28 days. The results showed that there was no significant difference in average daily gain between group M and group F during the experiment (p = 0.473). Moreover, the diarrhea index was similar between group M and group F during the entire experimental period (p = 0.112). At the end of the experiment, the levels of IL-6 and IgG in group M at 28 d were significantly higher than that in group F (p = 0.004, p = 0.025, respectively), but not IL-1β, IL-2, SIgA, IgM, and TNF-α. The levels of SOD in group M at 28 d were significantly higher than those in group F (p = 0.001), and no difference of MDA and T-AOC was found between group F and M (p = 0.073, p = 0.196, respectively). In both groups, the diversity of fecal microbes first increased and then decreased with the progress of the experimental period. Initially, there were differences in the composition of microbial communities between the two groups. However, this difference was attenuated at later stages of the experimental period. In conclusion, fly maggot protein can replace fish meal as a source of animal protein in feed material for blue foxes during the weaning period. |
format |
Text |
author |
Yuan Xu Hang Su Ting Li Jing Lv Jiayu Liu Xiujuan Bai |
author_facet |
Yuan Xu Hang Su Ting Li Jing Lv Jiayu Liu Xiujuan Bai |
author_sort |
Yuan Xu |
title |
Effects of Fly Maggot Protein Replacement of Fish Meal on Growth Performance, Immune Level, Antioxidant Level, and Fecal Flora of Blue Foxes at Weaning Stage |
title_short |
Effects of Fly Maggot Protein Replacement of Fish Meal on Growth Performance, Immune Level, Antioxidant Level, and Fecal Flora of Blue Foxes at Weaning Stage |
title_full |
Effects of Fly Maggot Protein Replacement of Fish Meal on Growth Performance, Immune Level, Antioxidant Level, and Fecal Flora of Blue Foxes at Weaning Stage |
title_fullStr |
Effects of Fly Maggot Protein Replacement of Fish Meal on Growth Performance, Immune Level, Antioxidant Level, and Fecal Flora of Blue Foxes at Weaning Stage |
title_full_unstemmed |
Effects of Fly Maggot Protein Replacement of Fish Meal on Growth Performance, Immune Level, Antioxidant Level, and Fecal Flora of Blue Foxes at Weaning Stage |
title_sort |
effects of fly maggot protein replacement of fish meal on growth performance, immune level, antioxidant level, and fecal flora of blue foxes at weaning stage |
publisher |
Multidisciplinary Digital Publishing Institute |
publishDate |
2022 |
url |
https://doi.org/10.3390/ani12121480 |
op_coverage |
agris |
genre |
Alopex lagopus |
genre_facet |
Alopex lagopus |
op_source |
Animals; Volume 12; Issue 12; Pages: 1480 |
op_relation |
Animal Nutrition https://dx.doi.org/10.3390/ani12121480 |
op_rights |
https://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.3390/ani12121480 |
container_title |
Animals |
container_volume |
12 |
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12 |
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1480 |
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1774713163986501632 |