Agriculture
Volume 3, Numéro 1, Pages 1-9
2012-06-30

Flock‘s Sheep Discrimination In Sétif Area Of Algeria



Auteurs : Belaib Issam . Dekhili Mohamed .

Résumé

This investigation is about the sheep’s morphologically characterization which has concerned thirty traits (eighteen quantitative and twelve ordinals) and was done in the area of Sétif (Algeria). Data were analyzed using a discriminate analysis; the aim was to identify the most discriminate traits, rate of distinction between flocks and to describe morphologically the flocks under investigation. The results of analysis of variance showed a large differences between flocks, a wide diversity between and within flocks, sites and zones. The factorial discriminate analysis revealed, that the descriptors which allow differentiation between rams: the back height, chest‘s tower, ear length and the ischions’s width for the first axis. The neck length, back height, chest‘s tower and the ischions’s width for the second axis. For the ewes, the descriptors of the best differentiation are: the sacrum height, chest’s depth and the head length for the first axis. The chest‘s tower, the head length, chest’s depth and the sacrum height for the second axis. Flocks were different from each other and the correct classification for rams was 50.2 % and 37.8% for the ewes.

Mots clés

Discrimination, Sheep, Flocks, Distinction, Discriminate traits, Breed with standard, Sheep’s populations.

Les articles similaires

Discrimination Des Bles Durs Algeriens (triticum Durum Desf.) Dans La Region De Setif

Dekhili M. .  Guechi A. .  Aggoun A. . 
pages 25-36.

Impact De L’organisation En Coopératives Sur La Performance économique De L’élevage Laitier En Algérie. Comparaison Entre Des éleveurs De La Coopérative Coopssel De Sétif Et Des éleveurs Individuels De Bejaia. Impact Of Organization In Cooperatives On The Economic Performance Of Dairy Farming In Algeria. Comparison Between Breeders Of The Coopssel Cooperative Of Sétif And Individual Breeders Of Bejaia.

Bellil Kousseila .  Boukrif Moussa . 
pages 55-69.

Epidemiological Study Of Scrapie Disease In Local Sheep Population In Algeria.

Kalai Sidi Mohammed .  Amara Yahia .  Ameur Ameur Abdelkader .  Gaouar Semir Bechir Suheil . 
pages 26-30.

Barymetric Characterization Of Algerian Sheep Breeds In Western Algeria

Belharfi Fatima Zohra .  Djaout Amal .  Ameur Ameur Abdelkader .  Gaouar Semir Bechir Souheil . 
pages 31-41.

Economic Analysis Of The Sheep Meat Value Chain In Algeria: Case Of Tiaret Region

Zemour Hafidh .  Hadbaoui Ilyes .  Zoubeidi Malika .  Berrani Abdelkader .  Mouhous Azzedine .  Belhouadjeb Fathi Abdellatif .  Ammam Abdelkader .  Sadoud Mohamed . 
pages 93-120.

Formats de citation