This new Ouled Djellal mutton is lead for the Algeria from the Beni Hilal tribes in the eleventh 100 years

This new Ouled Djellal mutton is lead for the Algeria from the Beni Hilal tribes in the eleventh 100 years

Sheep farming features a very important input the fresh new Algerian farming and you can economy; it keeps part of the status from the herd that’s brand new best vendor regarding red meat. This has been projected within 20 million thoughts, certainly one of and that 80% are distributed throughout the northern part of Algeria (Kerboua mais aussi al 2003).

Pounds and you will progress are essential regarding the complete output, specially when the latest chicken design is the main objective; a premier birth weight lets the animal to help you really initiate his career, and you may grow quickly pre and post weaning predisposes, to help you a far greater problems resistance and to arrive at rapidly adolescence and maturity (Sulieman mais aussi al 1985).

These characteristics explain the requirement for the brand new Ouled Djellal breed inside the Algeria, accounting having 61% of national sheep productive (Dehimi 2005). It’s a totally light sheep, with an excellent tail and you may wool, getting together with adolescence from the period of 8 so you’re able to ten months, the initial calving in the fifteen weeks dated and lamb’s pounds within birth is approximately step three.fifty Kg (Chellig 1992). The brand new weaning years is about 90 days (Dekhili and Mahnane 2004),having a good fatting ages of 60 in order to 70 weeks, and you can an average each and every day obtain out of 150 to help you 2 hundred g for every single big date (Chellig 1992).

Brand new deficiency of penned data into the Ouled Djellal development performances, plus the attention brought to this breed encouraged us to make this study, whose main objective was to study this new lambs’ development, while in the trip and you can springtime, when you find yourself taking into account other variables affecting gains differences including intercourse, birth variety of and you may chronilogical age of the mother.

Analysis city and you may period

The research is actually presented in the near order of Chlef; an area located in the North-West of Algeria and you can layer around 4700 km?. They represents a giant Neogene basin, bordered toward north by Dahra slopes as well as on this new Southern by Ouarsenis hills. This area try characterized by a few bioclimatic zones; the fresh partial-arid prevailing in the central and you can southern part, therefore the sandwich-moist on northern part, that have an average yearly rainfall out of 3 hundred mm/12 months and you will an indicate temperature out-of seven C during winter season and you may 37 C during summer (ANATA 1996). Animals in the region of Chlef remains largely centered on sheep, and you may farming dominates over creation of meats and you will fleece. Sheep farming was sedentary, mainly focused on plains and all the way down valleys.

The study took place in period regarding 2010 so you can 2014, and you can inside it a sample out-of 113 lambs of Ouled Djellal’s reproduce and additionally 51 lambs produced during the fall and 62 lambs created throughout springtime.

Creature administration and you will feeding

The brand new animals utilized in this research was indeed was able around semi-extreme reproduction system, having a giving program centered on grazing until Summer, and cereal stubble during summer. Through the dinner shortage several months and you can severe weather conditions, the newest parents was kept in barns and you may provided that have absolute hay and you can wheat-straw, supplemented because of the barley and you can wheat bran focus,nutrition. Lambs born was basically left with regards to mothers researching dam’s milk products,specific fodder mix and you may two times a day water.

Data collection and you can read affairs

Once-born, this new lambs had been recognized that have ear labels such as the date off birth, the latest animal’s mommy and you may a recognition count.

To help you display screen the growth shows, lambs was in fact weighed within ten occasions after birth, then a weekly weighing (loads and you may mediocre each day progress) try did between your years meilleur site de rencontres pour les barbus 0 to 3 months (away from delivery so you can weaning). Lambs’ loads were consumed the brand new early morning on the a blank belly, using a premier accuracy equilibrium and you can ingesting idea brand new lambing 12 months, the fresh intercourse, the brand new delivery sort of while the chronilogical age of the mother. This latter parameter obtained following the pearly whites test is actually split up into 4 a long time: reduced otherwise comparable to three-years, 3 to 6 age, six to help you 9 age and more than nine years.

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