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EFFECT OF FASTING PERIOD AND ZINC SUPPLEMENTATION ON THYROID AND ADRENAL ACTIVITY, ANTIOXIDANT STATUS AND GUT LENGTH OF GROWING RABBITS

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Last updated: 04 Jan 2025

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Abstract

Ninety weaned males V-line rabbits (35 days old) with an average live body weight of 525±8.34 g. were randomly distributed into six experimental groups (n=15 each). All treated groups were received a basal diet; 1st experimental group was served as control group (AD), 2nd group was supplemented with Zn (AD+Zn), 3rd group was fasted one day weekly (F24), 4th group was fasted two days weekly (F48), 5th group was supplemented with Zn and fasted one day weekly (F24+Zn) and 6th group was supplemented with Zn and fasted two days weekly (F48+Zn). Serum concentrations of T3, T4, corticosterone, cortisol, total antioxidant capacity (TAC) and malonyaldehyde (MAD) were determined. Lengths of small and large intestine and caecum were measured.
Results showed that: highly significant increase in serum levels of cortisol and corticosterone hormones were recorded in fasted growing rabbits (F24 and F48) groups and fasted with Zinc supplementation (F24+Zn and F48+Zn) groups, while serum levels of T3 and T4 were decreased compared with those in AD and AD+Zn groups. Serum level of TAC was significantly reduced in fasted growing rabbits supplemented or non-supplemented with Zn compared with AD and AD+Zn groups and more reduction was related to fasting. Deleterious effect of fasting was related with increasing serum levels of MAD, where all fasted groups had a significant increase in serum MAD concentration. Length of stomach, small and large intestines and caecum was significantly increased in fasted and Zn treated groups than control group.
Conclusively, fasting regimen and dietary Zn supplementation had a role in modulating hormonal profile, antioxidant status, stomach and intestine length.
 

DOI

10.21608/ejrs.2017.46663

Keywords

Fasting, zinc, hormonal profile, digestive tract length

Authors

First Name

Mohamed

Last Name

El-Speiy

MiddleName

-

Affiliation

Animal Prod. Res. Institute, Agric. Res. Center, Ministry of Agric., Egypt.

Email

elspeymohamed@yahoo.com

City

ARC, Egypt

Orcid

-

First Name

Mohamed

Last Name

Elsawy

MiddleName

-

Affiliation

Rabbit Res. Department, Anim. Prod. Res. Inst., ARC, Ministry of Agric., Egypt.

Email

elsawy1966@gmail.com

City

ARC, Egypt

Orcid

-

First Name

Faeisal

Last Name

Badri

MiddleName

-

Affiliation

2 Poultry Production Department, Faculty of Agric., Ain-Shams Univ., Cairo, Egypt

Email

-

City

Ain-Shams Univ.

Orcid

-

First Name

Tarek

Last Name

Sadaka

MiddleName

Amin

Affiliation

Animal Prod. Res. Institute, Agric. Res. Center, Ministry of Agric., Egypt.

Email

-

City

ARC, Egypt

Orcid

-

Volume

27

Article Issue

2

Related Issue

6497

Issue Date

2017-07-01

Receive Date

2017-03-28

Publish Date

2017-07-01

Page Start

399

Page End

412

Print ISSN

1110-2594

Online ISSN

2682-3330

Article File

EJRS_Volume 27_Issue 2_Pages 399-412.pdf

PDF . 518.5kB

Link

https://ejrs.journals.ekb.eg/article_46663.html

Detail API

https://ejrs.journals.ekb.eg/service?article_code=46663

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Type

Original Article

Type Code

868

Publication Type

Journal

Publication Title

Egyptian Journal of Rabbit Science

Publication Link

https://ejrs.journals.ekb.eg/

MainTitle

EFFECT OF FASTING PERIOD AND ZINC SUPPLEMENTATION ON THYROID AND ADRENAL ACTIVITY, ANTIOXIDANT STATUS AND GUT LENGTH OF GROWING RABBITS

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Type

Article

Created At

22 Jan 2023