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185903

PLASMA B-ENDORPHIN PROFILE DURING EARLY, INTERMEDIATE AND LATE PUERPERIUM IN FRIESIAN DAIRY COWS

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Last updated: 05 Jan 2025

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Abstract

This investigation was performed on 28 pluriparous dairy Friesian cows during the Ist, the 2nd and the 3rd weeks of puerperium in addition during the postpartum (PP) estrus cycle (Follicular and luteal stages). Blood samples were collected in heparinized Vacutainer tubes, plasma was obtained by cooling centrifuge and kept frozen at-20°C until hormonal assay. A special radioimmunoassay technique was adapted for detemination of plasma B-endorphin levels. The results revealed highly significant rise (P<0.01) of B-endorphin profile in postp < /strong>artum cows at the 1st week (70.31+3. 88 pg/ml) when compared with the 2nd week (57.37+ 4.96 pg/ml) and the 3rd. Week (36.38+ 3. 17 pg/ml). Highly significant increase was observed in the follicular phase (53. 46+ 5.32 pg/ml) at the Ist estrus when
compared with the luteal phase (35.03+ 3.68 pg/ml) .. in the same estrus cycle of the studied animals.

DOI

10.21608/avmj.1993.185903

Authors

First Name

M.A.

Last Name

EL-AZAB

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Orcid

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First Name

T.M.

Last Name

BARAKAT

MiddleName

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Orcid

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First Name

G.

Last Name

SHAWKI

MiddleName

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First Name

A.

Last Name

BADR

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Volume

29.2

Article Issue

58

Related Issue

26790

Issue Date

1993-07-01

Receive Date

1993-04-17

Publish Date

1993-07-01

Page Start

232

Page End

237

Print ISSN

1012-5973

Online ISSN

2314-5226

Article File

AVMJ_Volume 29.2_Issue 58_Pages 232-237.pdf

PDF . 2.0MB

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https://avmj.journals.ekb.eg/article_185903.html

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https://avmj.journals.ekb.eg/service?article_code=185903

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26

Type

Research article

Type Code

1,840

Publication Type

Journal

Publication Title

Assiut Veterinary Medical Journal

Publication Link

https://avmj.journals.ekb.eg/

MainTitle

PLASMA B-ENDORPHIN PROFILE DURING EARLY, INTERMEDIATE AND LATE PUERPERIUM IN FRIESIAN DAIRY COWS

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Article

Created At

23 Jan 2023