Brand new intercourse ratio filed in the more step 1 000 lambs out of an Awassi group into the Lebanon try 48

Brand new intercourse ratio filed in the more step 1 000 lambs out of an Awassi group into the Lebanon try 48

In a fresh flock in the Leba­low, oestrus reached the level which have normal time periods during the August and Septem­ber but was still maintained into the a fairly high-level up until December; out-of January to help you April the fresh heats significantly reduced in the matter, and you will of Can get to help you July it ceased entirely. Along the newest oestrus years ranged between 15 and 20 months, that have on average 18 months. The size of heats ranged regarding 16 so you’re able to 59 period, which have 30 occasions on average. 9 for each­penny of your heats have been hushed, as the manifested from the density regarding mul­tiple schedules, followed by the new abdominal­sence off mating effect (Barr, 1968). Brand new Awassi ewe displays couple outward signs and symptoms of oestrus. Pro-oestrus is actually quick and you may alternatively long and the onset of oestrus sudden, just like the cessation is progressive. In the Iraq, the primary mutton­ing season from Awassi ewes is actually No­vember, along with Lebanon, the new Syrian Arab Republic and you will Israel inside Decem­ber-January.

The suggest pregnancy period into the a keen Awassi flock inside Lebanon has been considered to be 149.five days having men lambs and you will 148.six days for females (Choueiri, Barr and Khalil, 1966). An additional Lebanese head, an average gestation length getting single-produced lambs is actually 151.two days (Fox mais aussi al., 1971) while, from the American University Farm inside the Lebanon, it had been seen to be 152.6 days (McLeroy and you may Kurdian, 1958).

During the Bedouin and fellahin Awassi flocks, only 5 % of your adult ewes has twins. From inside the Lebanon, the brand new lambing part of adult Awassi breeding ewes usually averages about 60. Inside Syrian Awassi flocks, virility is additionally reduced – 70-80 lambs for each and every a hundred ewes. Inside fresh flocks with superior giving and repairs, high lambing costs (110-120) were submitted. The brand new twinning rate out-of Awassi ewes does improve doing age half a dozen age and you may decrease thereafter.

step three men so you’re able to 51.eight female. From inside the a fixed group purchased away from Syrian nomads, what amount of men surpassed that of lady; during the single lambs it was 52.4:47.six and also in twins 57.4:42.6. 3:fifty.7; twenty two.8 percent of your twin sets had been out of male, 24.6 for each and every­cent out of females, and you may 52.six % from both sexes.

From inside the a group away from Anatolian Awassi sheep, all round gender ratio from male so you can lady solitary and you can dual lambs is forty two

The fresh suggestions of barrenness tell you a variety in numerous flocks. Within the an effective Lebanese head where in actuality the ewes was indeed followed closely by rams from Summer to January, there were merely 4 per cent bare ewes. Inside the a huge flock, ob­tained out-of six different places inside Lebanon, 10 % of the ewes and that arrived to heat did not lamb, ranging from 2 % to twenty-six per cent certainly local groups. For the a fixed group where in actuality the rams was indeed remaining to your ewes throughout the year, 14 percent don’t lamb throughout an individual season. Into the Egypt, 20% regarding a team of Awassi ewes produced by Syrian inventory did not conceiveputer information of the many dairy-submitted Awassi ewes for the Israel throughout the a couple of successive age let you know a keen mediocre barrenness away from forty.eight % inside yearlings, ten.5 % in 2-year-olds, and you will 6.25 percent within the mature ewes.

When you look at the an enthusiastic Awassi head from inside the main Anatolia, 20 percent of ewes mated in one 12 months and you will a dozen % mated an additional seasons remained bare

The newest death price when you look at the Bedouin and you may fellahin Awassi flocks is actually fifteen-20 each­cent during the regular ages, or over in order to 50 % in many years from drought or really serious winter seasons (Hirsch, 1933). While this refers to flocks as a whole, the Kod promocyjny amor en linea newest mor­tality away from lambs just isn’t lower than compared to adult sheep. Into the Syrian Awassi flocks from the Bed­ouin, the brand new mortality from lambs once delivery reaches 5-10% in beneficial ages, and 29-50 percent in years with cool winter seasons and you may snow-safeguarded grasslands, in the event the ewes is actually starved. In fellahin flocks, stored in communities in which the ewes mutton from inside the professional­tected urban centers and so are given specific straw in addition to pasture, mutton death try lower than in Bedouin flocks. In the Iraq, famine and you may condition was reckoned to reduce the average lamb collect so you can 40-sixty percent (Williamson, 1949). Into the an ex boyfriend­perimental Awassi head inside Iraq, in which nourishment and you may management of this new sheep try superior to the individuals aren’t utilized in Bedouin and you will fellahin flocks, unmarried lambs showed an average death rate out-of 15.eight % and you may twins 18.0 for every­penny throughout the a half dozen-season several months. Discover a standard desire in Awassi flocks to have men lambs for a substantially highest mortality price in first month out of lifestyle compared to women lambs. For the countries where in fact the Awassi isn’t indigenous but might have been imported for the apparently quick quantity, mortality out of lambs over the course of acclimati­zation within the a different microbial environment is oftentimes higher.

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