Women arrived at sexual readiness in the 162 times of age
Category : muddy-matches-inceleme gözden geçirmek
Black colored Speckled Australorps is bred to possess eggs production. Plumage is black having quick light spots; ear-lobes was yellow; brush is actually unmarried. Down is actually light from inside the the colour; shanks was white, a bit pigmented rather than long.
73 and of cockerels 0.88 kilogram. Brand new live weight of 150-day-dated pullets was step one.82 which away from adult hens dos.dos kilogram. The fresh alive lbs from dicks was 2.six kilogram.
The common annual production of Black Speckled Australorps try 2 hundred eggs weigh 55 grams. Egg shells was solution-colored. Virility out-of eggs are 95%, hatchability 80-85%. Survival rates of younger doing 150 days are 95%; that adults is actually 90%.
The real time lbs regarding 56-day-dated pullets was 0
The fresh new birds are very well adapted to battery pack staying either personally otherwise for the groups. Other ability are a top resistance to pullorum disease. He’s essential as the companies of the recessive sp gene, that is responsible for the fresh light shade of the fresh new plumage and a much better look of carcasses. Introduction of that it gene for the communities obtaining dominating Age gene carry out donate to its large use by the poultry industry.
RUSSIAN White (Russkaya belaya)
So it reproduce try put while in the 1929-53 from the mating Light Leghorn boys having female out-of regional communities, accompanied by inter se reproduction from crosses with assorted grades of Leghorn genetics. New crossbreeding in it Leghorns of various provider – Danish, English, Western – for each and every using its individual development and you can exterior keeps. Alternatives had the reason for boosting eggs design, stability, growth rate and you can live weight.
In advance of 1965 Russian Whites was the main egg-installing chickens throughout the USSR.