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The fresh Ouled Djellal mutton try introduced during the Algeria because of the Beni Hilal people from inside the eleventh 100 years

Sheep agriculture have a valuable put in the fresh new Algerian agriculture and you will benefit; they retains a portion of the updates from the herd which is the newest best provider regarding meat. It has been projected within 20 million brains, certainly and this 80% is actually delivered about north part of Algeria (Kerboua mais aussi al 2003).

Lbs and gains are important from the full production, specially when new animal meat creation is the main objective; a leading birth lbs lets your pet to help you better begin his career, and you can develop quickly before and after weaning predisposes, so you’re able to a much better ailment opposition in order to reach quickly puberty and you will maturity (Sulieman ainsi que al 1985).

These features explain the requirement for brand new Ouled Djellal reproduce in Algeria, bookkeeping to possess 61% of one’s national sheep energetic (Dehimi 2005). It is an entirely white sheep, which have a superb end and you may wool, reaching puberty on period of 8 in order to 10 weeks, the initial calving in the 15 months dated additionally the lamb’s weight in the birth is approximately step 3.fifty Kg (Chellig 1992). New weaning decades is approximately 90 days (Dekhili and you will Mahnane 2004),with an effective fatting ages sito incontri single viaggi of sixty in order to 70 months, and you may the typical day-after-day acquire out of 150 to 2 hundred grams for every go out (Chellig 1992).

The new lack of wrote data on Ouled Djellal gains performances, plus the interest taken to so it reproduce caused us to conduct this study, whoever main purpose was to studies the brand new lambs’ increases, while in the trip and you may springtime, when you are looking at other factors affecting gains distinctions such as for instance gender, delivery kind of and age of mom.

Data area and you may period

The research is held in the order of Chlef; a location found in the North-West of Algeria and you may level just as much as 4700 km?. It represents a huge Neogene basin, bordered to your northern by Dahra mountains and on the new Southern by Ouarsenis slopes. This place is characterized by two bioclimatic areas; the fresh semi-arid prevailing regarding central and southern area part, together with sandwich-moist from the north area, which have the average annual rainfall from 3 hundred mm/seasons and you will a hateful temperature away from eight C throughout the wintertime and you will 37 C during the summer (ANATA 1996). Animals in the order of Chlef remains mostly according to sheep, and you will farming reigns over over creation of meat and fleece. Sheep agriculture try sedentary, primarily centered regarding the flatlands and also the straight down valleys.

The analysis occurred from inside the period regarding 2010 in order to 2014, and you can inside an example off 113 lambs of your Ouled Djellal’s breed as well as 51 lambs born while in the trip and you may 62 lambs produced throughout springtime.

Creature administration and you may feeding

The newest animals found in this study were was able around partial-extreme breeding program, which have a giving system considering grazing until June, and cereal stubble during the summer. Through the restaurants scarcity several months and you will harsh climate conditions, brand new moms and dads was in fact kept in barns and you will given with sheer hay and you can wheat straw, formulated by the barley and grain bran focus,vitamins and minerals. Lambs produced were left making use of their parents choosing dam’s milk products,certain fodder mix and twice a day fresh water.

Study collection and you will studied affairs

Once-born, the newest lambs had been identified having ear labels for instance the time away from delivery, new animal’s mommy and you will a recognition matter.

In order to monitor the development performances, lambs were considered in this 10 era immediately following delivery, then a regular weigh (loads and you may average everyday growth) try did involving the age 0 so you’re able to 3 months (away from beginning so you can weaning). Lambs’ weights were consumed the latest day towards an empty tummy, using a leading precision harmony and you can taking in believe brand new lambing season, the fresh sex, the fresh beginning method of and also the chronilogical age of mom. That it second parameter received following teeth examination is split into 4 age groups: smaller or comparable to three years, 3 to 6 decades, six in order to nine age and more than 9 decades.