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Lambing and mortality rate in Ouled-Djellal sheeps in Tebessa region-Algeria

    Authors

    • M. Douh 1
    • C. Aissaoui 2
    • A. Hicher 3
    • S. Abdelmajid 4

    1 Faculty of Science and Life Chadli Bendjedid University, El Taref, 36000, Biotechnology Research Center (CRBt), Ali Mendjli Constantine 25000, Algeria.

    2 1Faculty of Science and Life Chadli Bendjedid University, El Taref, 36000, Algeria

    3 3Faculty of Science and Life Mohamed Kheider University, Biskra 07000, Algeria.

    4 Institute of Agronomic and Veterinary Sciences (INSAV), Mohamed Cherif Messaadia University Souk Ahrass 41000, Algeria

,

Document Type : Research Paper

10.33899/ijvs.2019.153863
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Abstract

The aim of this work is to study lamb births and mortalities in Algerian sheep Ouled Djellal breed distributed in different zones of Tébessa region, which is divided according to bioclimatic stage, staff in livestock and area agricultural vocation, into four distinct zones: northern (A, B), middle (C) and southern zone (D). During two years 2015-2016, birth numbers (BN) and mortality rates (MR) of 355 sheep flocks were recorded using a questionnaire. Concerning BN the total number was 21244 lambs representing a mean 59±31 per flock. No significant differences between the birth means of C and D (75±28 vs 83±30) were registered. Birth mean was significantly higher (P<0,05) in B (40±17) than A (29±10), when comparison with C and D, the births of A and B were highly significantly (P<0,001). According to (BN) the studied region were classified into 3 zone groups: (a) with high lambing rate (C, D); (b) with medium lambing rate (B); (c) with low lambing (A). In regard to mortality rates, the total rate was 24±6%. The (MR) in A (27±5%) was significantly higher (P<0,05) as compared to other zones (B) 24±4%, (C) 23±7% and (D) 22±4%. However, no significant differences between B, C and D were revealed. According to the results of (MR) the studied region was classified into two groups: (a) with low MR (C, D), (b) with high MR (A, B). Our result showed that zones influence the (BN) and (MR) in Tébessa region, and southern zones especially D seems the appropriate to practice breeding of Ouled Djellal breed.

Keywords

  • Livestock
  • Mortality
  • Birth
  • System
  • lambs
  • Climate
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Iraqi Journal of Veterinary Sciences
Volume 32, Issue 2
December 2018
Page 267-273
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  • PDF 561.74 K
History
  • Received: 07 March 2018
  • Revised: 06 May 2018
  • Accept: 16 May 2018
  • Publish: 28 January 2019
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  • Article View: 4,262
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APA

Douh, M., Aissaoui, C., Hicher, A., & Abdelmajid, S. (2019). Lambing and mortality rate in Ouled-Djellal sheeps in Tebessa region-Algeria. Iraqi Journal of Veterinary Sciences, 32(2), 267-273. doi: 10.33899/ijvs.2019.153863

MLA

M. Douh; C. Aissaoui; A. Hicher; S. Abdelmajid. "Lambing and mortality rate in Ouled-Djellal sheeps in Tebessa region-Algeria". Iraqi Journal of Veterinary Sciences, 32, 2, 2019, 267-273. doi: 10.33899/ijvs.2019.153863

HARVARD

Douh, M., Aissaoui, C., Hicher, A., Abdelmajid, S. (2019). 'Lambing and mortality rate in Ouled-Djellal sheeps in Tebessa region-Algeria', Iraqi Journal of Veterinary Sciences, 32(2), pp. 267-273. doi: 10.33899/ijvs.2019.153863

VANCOUVER

Douh, M., Aissaoui, C., Hicher, A., Abdelmajid, S. Lambing and mortality rate in Ouled-Djellal sheeps in Tebessa region-Algeria. Iraqi Journal of Veterinary Sciences, 2019; 32(2): 267-273. doi: 10.33899/ijvs.2019.153863

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