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369363

EFFECT OF SOME MANAGEMENTAL ASPECTS, SEX ASSOCIATION, LIGHT, AND MELATONIN TREATMENTS ON PUBERTY OF RAHMANI EWE LAMBS

Article

Last updated: 03 Jan 2025

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Animal production

Abstract

This study was carried out on 36 apparently healthy and recently weaned Rahmani ewe- lambs and two adult rams. These animals were raised at Mehallet Mousa, Animal Production Research Station, Kafr EL- Sheikh Province, Egypt The animals were divided into four groups (Sex associated, light and melatonin treated groups and Control one) to investigate the effect of these managemental aspects on their puberty age and weight .The ewe lambs reared by sex associated, light and melatonin attained their puberty at an earlier age (6.9, 6.1 and 5.8 months, respectively) and lower body weight ( 30, 29.22 and 28.15 Kg, respectively) than those which un- treated (7.4 months and 32,6 Kg, respectively). As well as, the progesterone concentrations showed significant difference between treated groups and control one. There is no difference in behavioral signs of oestrus among different treatments but the conception rate showed variations by treatments as it de- creased by treatments in compared with control group. From this study, we concluded that the application of such managements; sex association, light and melatonin treatment pre- pubertal were beneficial to decrease the puberty age but melatonin administration has low conception rate.

DOI

10.21608/vmjg.2002.369363

Authors

First Name

T

Last Name

MOUSA-BALABEL

MiddleName

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Affiliation

Dept. of Hygiene and preventive Medicine., Fac. Of Vet. Med. Kafr-El-Sheikh, Tanta University, Egypt.

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Orcid

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Volume

50

Article Issue

4

Related Issue

49349

Issue Date

2002-10-01

Receive Date

2024-07-26

Publish Date

2002-10-01

Page Start

895

Page End

903

Print ISSN

1110-1423

Online ISSN

2537-1045

Article File

VMJG_Volume 50_Issue 4_Pages 895-903.pdf

PDF . 2.3MB

Link

https://vmjg.journals.ekb.eg/article_369363.html

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https://vmjg.journals.ekb.eg/service?article_code=369363

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369,363

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Original Article

Type Code

544

Publication Type

Journal

Publication Title

Veterinary Medical Journal (Giza)

Publication Link

https://vmjg.journals.ekb.eg/

MainTitle

EFFECT OF SOME MANAGEMENTAL ASPECTS, SEX ASSOCIATION, LIGHT, AND MELATONIN TREATMENTS ON PUBERTY OF RAHMANI EWE LAMBS

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Article

Created At

23 Dec 2024