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199005

RELATIONSHIP BETWEEN ENDORPHINS AND SOME PHYSIOLOGICAL DISORDERS IN CATTLE

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Last updated: 04 Jan 2025

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Abstract

The present research aimed to study changes in the levels of beta-endorphin and cortisol during the 3rd trimester of pregnancy, periparturient and during the postpartum periods in Egyptian buffalo and Friesian cows; as well as studying the effect of some reproductive disorders (dystocia, retained placenta, and low BCS) on the activity of these hormones. Results revealed that with the progression of calving events that include the 3rd trimester of pregnancy and the periparturient periods, a continuous increase in the concentrations of endorphins and cortisol in the blood plasma was observed in the buffalo and Friesian cows. Immediately after parturition, the concentrations of both endorphins and cortisol gradually decreased. With the passage of days after parturition, a decrease in the concentration of beta-endorphin was observed in blood plasma samples collected from all groups of buffaloes or Friesian cows, while cortisol concentrations increased in those samples except for that group suffering from placental retention. Also, results indicated that, the highest values ​​of endorphins and cortisol concentrations were recorded in blood samples of the abnormal RP and dystocia groups as compared to those cattle of low BCS or those cattle of control group during the different phases studied.

DOI

10.21608/mjapfp.2021.199005

Keywords

β-endorphin, Cortisol, dystocia, retained placenta, Buffalo, cattle, Reproductive Disorders

Authors

First Name

H. A. A.

Last Name

Hady

MiddleName

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Affiliation

Prof. of Animal Physiology, Fac. of Agric., Menoufia Univ.

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Orcid

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First Name

A. F.

Last Name

Nebar

MiddleName

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Affiliation

Prof. of Animal Physiology, Fac. of Agric., Menoufia Univ.

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Orcid

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First Name

O. M. A.

Last Name

El-Malky

MiddleName

-

Affiliation

Prof. of Animal Physiology, Animal Production Research Institute Agricultural Research Centre

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Orcid

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First Name

Reem S. M.

Last Name

Mourad

MiddleName

-

Affiliation

Assistant Prof. of Animal Physiology, Fac. of Agric., Menoufia Univ.

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Orcid

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Volume

5

Article Issue

7

Related Issue

28087

Issue Date

2021-09-01

Receive Date

2021-10-11

Publish Date

2021-09-01

Page Start

83

Page End

84

Print ISSN

2357-0814

Online ISSN

2735-3478

Article File

MJAPFP_Volume 5_Issue 7_Pages 83-84.pdf

PDF . 422.8kB

Link

https://mjapfp.journals.ekb.eg/article_199005.html

Detail API

https://mjapfp.journals.ekb.eg/service?article_code=199005

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Type

Original Article

Type Code

1,384

Publication Type

Journal

Publication Title

Menoufia Journal of Animal Poultry and Fish Production

Publication Link

https://mjapfp.journals.ekb.eg/

MainTitle

RELATIONSHIP BETWEEN ENDORPHINS AND SOME PHYSIOLOGICAL DISORDERS IN CATTLE

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Article

Created At

23 Jan 2023