Female reach intimate readiness in the 162 times of age

15 Nov Female reach intimate readiness in the 162 times of age

Black colored Speckled Australorps try bred getting eggs creation. Plumage are black having short light locations; ear-lobes was yellow; comb is actually unmarried. Down was light into the colour; shanks is light, a bit pigmented rather than long.

73 and of cockerels 0.88 kg. The newest live lbs out-of 150-day-old pullets is actually step one.82 hence away from mature hens dos.2 kilogram. The fresh real time lbs away from cocks was 2.six kg.

An average annual production of Black colored Speckled Australorps was 200 eggs weighing 55 grams. Eggs shells try lotion-colored. Fertility out-of eggs is 95%, hatchability 80-85%. Endurance speed of one’s younger as much as 150 days is 95%; that grownups try ninety%.

The live lbs of 56-day-dated pullets is actually 0

The fresh wild birds are very well adjusted to power keeping both physically otherwise inside the organizations. Various other element was a leading resistance to pullorum situation. They are crucial just like the companies of your recessive sp gene, that is responsible for the fresh white color of brand new plumage and you will a better look of carcasses. Regarding it gene into populations acquiring the dominating E gene would subscribe their wider utilization by chicken business.

RUSSIAN Light (Russkaya belaya)

That it reproduce was introduced while in the 1929-53 of the mating Light Leghorn people which have women away from local communities, followed closely by inter se reproduction of crosses with different grades out-of Leghorn heredity. Brand new crossbreeding involved Leghorns various source – Danish, English, Western – for each using its own creation and you can exterior features. Alternatives had the purpose of improving egg production, stability, rate of growth and real time lbs.

In advance of 1965 Russian Whites was indeed the primary egg-installing birds on the USSR. The average yearly creation are 175-190 egg for each and every covering; egg lbs try 57-sixty g. In-breeding condition farms the brand new egg creation of Russian Whites are 220-230 per year. not, below industrial criteria Russian Whites could not compete with brought in lines and you can crosses away from White Leghorns. They decrease behind of the 40-fifty egg annually by up to 2.5-step three.0 g when you look at the egg pounds.

Due to this the latest inventory of Russian Whites, which in 1975 are 30.seven mil, got decreased to 4.4 mil from the 1980. He could be however used in considerable amounts for the Turkmenia, Uzbekistan and you can Azerbaijan.

At the moment, reproduction work at Russian White chickens is done from inside the Yasnaya Polyana reproduction ranch in Stavropol region. For the earliest phase (1967-69), reproduction are predicated on choices and parents have been examined because of the their daughters’ creation. Inside the 1970 the newest breeding program are turned to help you creation of inbred outlines (letter = 40) and you may a processing populace. A portion of the kind of inbreeding was anywhere between paternal 1 / 2 of-sibs, hardly ever ranging from complete sibs. The newest birds hatched in 1973 got a keen inbreeding coefficient (Wright) away from almost 37%. The typical creation of brand new six top inbred lines inside the 475 days are 2 hundred-205 eggs consider 54-56 g. New crosses of them traces had a top production – 211-236 eggs a-year.

Chickens associated with the people are light in the lbs and create quick eggs. Their plumage was light; body and shanks are reddish; he’s one brush.

The newest live pounds away from 8-week-dated pullets are 0.55 kilogram; that of cockerels are 0.56 kilogram. Adult hens weighing step 1.six kg, dicks 2.0 kg. Fertility out of eggs has reached 93%; hatchability is 82%; success speed off young and you can adults was 95 and ninety five% respectively. Egg production for the initially and intermediate society throughout 70 days of life is 182 and you will 206 egg regarding 55 grams.

Of some focus ‘s the populace away from Russian White chickens during the the new Most of the-Partnership Research Institute from Ranch Animal Reproduction and https://datingmentor.org/escort/orange/ you may Genetics. It had been developed by choice for effectiveness subnormal temperatures into the the initial days of lifetime and higher eggs design. Chickens was clear of leukosis and then have a leading effectiveness Marek’s state and carcinomas out of internal organs. Girls is elevated during the heat which happen to be 8-10 below typical. In 1984 which populace numbered 500 direct.