November 16, 2022

Women started to intimate maturity within 162 days of years

By S1m0n1

Women started to intimate maturity within 162 days of years

Black colored Speckled Australorps is bred for egg development. Plumage is black which have short light areas; ear-lobes try purple; comb was unmarried. Down is actually light during the the colour; shanks is white, quite pigmented and never a lot of time.

73 and of cockerels 0.88 kg. Brand new live pounds from 150-day-old pullets are 1.82 hence of adult hens dos.dos kilogram. The new alive pounds regarding cocks was 2.6 kg.

An average yearly production of Black colored Speckled Australorps are 200 egg consider 55 g. Egg shells are cream-colored. Virility off egg are 95%, hatchability 80-85%. Emergency rates of your more youthful up to 150 weeks is 95%; that of adults are ninety%.

The brand new real time lbs of 56-day-old pullets is actually 0

The fresh birds are adapted so you can battery pack staying either directly or for the groups. Other element are a leading resistance to pullorum condition. He could be very important as providers of the recessive sp gene, that’s responsible for the fresh new light shade of the newest plumage and you will a much better look of carcasses. Advent of that it gene into gay filipino chat room the populations obtaining dominating Age gene carry out donate to the wider utilization from the chicken industry.

RUSSIAN White (Russkaya belaya)

It breed are lead during the 1929-53 by mating Light Leghorn people with people out-of local communities, accompanied by inter se reproduction away from crosses with various grades regarding Leghorn genetics. The newest crossbreeding inside it Leghorns of different provider – Danish, English, Western – per using its individual design and you may exterior features. Choice met with the intent behind improving egg creation, viability, rate of growth and you will real time weight.

In advance of 1965 Russian Whites was the primary eggs-installing chickens on the USSR. An average annual production is actually 175-190 egg for each covering; egg weight try 57-sixty grams. In breeding state farms this new egg production of Russian Whites are 220-230 per year. However, significantly less than commercial criteria Russian Whites cannot contend with brought in outlines and you will crosses out-of Light Leghorns. They dropped behind by 40-50 eggs a-year by up to 2.5-step three.0 grams when you look at the egg pounds.

For that reason the latest inventory away from Russian Whites, which in 1975 are 30.seven mil, got decreased to help you cuatro.cuatro billion from the 1980. He or she is nevertheless included in significant number inside Turkmenia, Uzbekistan and Azerbaijan.

At present, reproduction work on Russian White birds is done during the Yasnaya Polyana reproduction ranch inside the Stavropol territory. Within the basic stage (1967-69), reproduction try predicated on alternatives and mothers have been analyzed of the their daughters’ creation. For the 1970 the newest reproduction program is switched so you can production of inbred traces (letter = 40) and an operating populace. A portion of the kind of inbreeding try anywhere between paternal half of-sibs, rarely anywhere between full sibs. The wild birds hatched in the 1973 had a keen inbreeding coefficient (Wright) of nearly 37%. The typical production of the brand new half dozen top inbred outlines when you look at the 475 days try 2 hundred-205 eggs weighing 54-56 g. The new crosses of them traces got a top production – 211-236 egg a-year.

Birds of this inhabitants try white from inside the lbs and produce small eggs. Its plumage is light; epidermis and you can shanks was red; he’s a single brush.

The newest real time weight out-of 8-week-old pullets is 0.55 kilogram; that cockerels is 0.56 kilogram. Adult hens consider 1.6 kg, dicks 2.0 kilogram. Fertility of eggs are at 93%; hatchability are 82%; endurance rate off younger and you will people are 95 and you may 92% respectively. Egg production into very first and you may intermediate population throughout 70 days from life is 182 and you may 206 eggs away from 55 grams.

Of some notice ‘s the society out-of Russian Light birds within the new All the-Union Browse Institute from Farm Animal Breeding and you may Genetics. It had been produced by selection for resistance to subnormal temperatures from inside the the original days of lives as well as for high eggs development. Birds is actually clear of leukosis and have now a top resistance to Marek’s problem and you will carcinomas off internal organs. Girls try increased on temperature being 8-ten lower than typical. Back in 1984 it population numbered five-hundred head.