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257973

EFFECTS OF BREED AND MANAGEMENT SYSTEM ON LAMB PRODUCTION OF EWES

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Last updated: 22 Jan 2023

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Abstract

Productivity data were collected on flocks of ¼ Romanov ¾ Rahmani (R. VR) and ¼ Finn ¾ Rahmani (R. FR) ewes kept under farmer conditions for a period of 4 years. Meanwhile, date was collected over the same period on R.VR ewes raised in state farm  to investigate the effect of difference in  management systems (farmer vs. state farm systems) on crossbred ewes performance. Quarter Romanov ewes gave birth to 0.12 more lambs (P< 0.05), had 0.19 more lambs alive at 4 months of age (P< 0.01), and had 3.11kg more total lamb weight at 4 months of age than R. FR ewes. Reproduction records obtained on farmer flocks had quite favourable performance compared with  those obtained on state farms.

DOI

10.21608/jappmu.2001.257973

Keywords

Finnsheep, Romanov, crossbreeding, prolificacy traits, lambing interval

Authors

First Name

H.

Last Name

Metawi,

MiddleName

R.

Affiliation

Animal Production Research Institute, Agricultural Research Center, Ministry of Agriculture, Egypt.

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Volume

26

Article Issue

9

Related Issue

36512

Issue Date

2001-09-01

Receive Date

2001-08-19

Publish Date

2001-09-01

Page Start

5,343

Page End

5,348

Print ISSN

2090-3642

Online ISSN

2090-3723

Link

https://jappmu.journals.ekb.eg/article_257973.html

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https://jappmu.journals.ekb.eg/service?article_code=257973

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10

Type

Original Article

Type Code

876

Publication Type

Journal

Publication Title

Journal of Animal and Poultry Production

Publication Link

https://jappmu.journals.ekb.eg/

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Article

Created At

22 Jan 2023