The fresh new real time weight out of 8-week-old chickens try 0.8 kg; adult hens weigh 2.dos-2.5 and you can dicks 3.5-cuatro.5 kilogram. Egg shell is actually brownish. Virility regarding egg are 95% and you may hatchability 80-85%. Death of your own young are 5-7% as well as grownups 5%. An average creation was 180-two hundred eggs annually; egg weight was 58-sixty g. The production of champions was 270-290 egg.

Crossbred progeny out of Yerevan hens and you can White Leghorn cocks create 230 eggs a-year consider sixty g. The latest alive pounds away from adult layers is actually step 1.8-dos.0 kilogram. Formal eggs lines off Yerevan hens can be used due to the fact lady parents for the crosses with men lines regarding Light Leghorns.

Formal dual-objective (chicken and eggs) lines off Yerevan chickens is an important genetic resource on the production of the newest man-made animal meat-and-egg traces from broiler crosses.

YURLOV (Yurlovskaya)

This reproduce was made about Central Black-Planet area of your Russian Federation during the Orlov, Kursk and you will Voronezh places, as conventional choices. Yards.F. Ivanov is actually of one’s viewpoint that the Yurlov reproduce originated crosses out-of local hens having assaulting dicks and you can Brahma males.

This new reproduce is shaped from the stretched gang of cocks having a solid and you will long-drawn-away crow. It absolutely was believed that alternatives into the beauty and period of crowing manage help produce an effective composition having sturdy human body and you can greater breast.

Through the 1941-forty-five the bulk of the latest Yurlov people try destroyed. Within the 1948, the fresh new Every-Connection Poultry Breeding Institute produced twenty seven specimens off Goryaninovka village in Kursk region. Because of the 1951 the new gene preservation society got risen to 2 hundred head. The average show contained in this head was 124 egg a year. Later it was possible to raise brand new show to 154 eggs of 71 g annually.

Yurlov birds are definitely the forefathers of a few new home-bred types: Pervomai, Adler Silver and Zagorsk Salmon birds still have within their genotype 1/2-3/8 from Yurlov genetics.

Yurlov chickens have the well-manifested characters away from meats-method of Asian and you may game types. Their body are broad, strong and long. Your mind are quick, having wider frontal limbs, high orbital arches and red ear-lobes. He’s just one, flower or walnut comb. The fresh new legs is much time and strong, yellow otherwise black colored during the colour. The fresh plumage is quite fluffy and of certain tones; black gold, salmon and you may red-colored will be commonest. Girls feather really slowly.

The fresh new alive weight of 8-week-old birds was 0.9-step 1.dos kilogram; mature hens consider 2.6-3.0 and you may cocks 3.5-cuatro.0 kilogram. Annual design try 160-180 egg of sixty-80 g. Egg-shell is actually green-brown. Virility away from egg try 91% and you will hatchability 80%. Endurance rates of one’s escort in Fort Collins young was 90% and of grownups 88-93%.

ZAGORSK Fish (Zagorskaya lososevaya)

This breed group is used for meat and egg production. It was created during 1950-59 by breeders from the Ail-Union Poultry Breeding Research Institute in the Moscow region starting with a four-way cross. In 1950 they made reciprocal crosses of Russian Whites with the New Hampshire, Rhode Island Red and Yurlov breeds. The F₁ crosses were backcrossed to Rhode Island Red and Yurlov cocks.

The origin birds had a premier production and viability. Such, Rhode Isle Yellow dicks got female mothers and therefore applied no less than simply 180 egg per year and you may Yurlov cocks originated from an excellent hen which put 185 egg.

From inside the 1953 the number of Salmon chickens that have step 3/8 from Yurlov bloodstream is 227. They certainly were bred when you look at the a sealed population in which nearest and dearest choice is actually always combine higher installing rate, stability, egg weight and a great fleshing. The fresh alive pounds of one’s 90-day-old Zagorsk Fish cockerels is actually step one.7 kg; ninety.6% regarding carcasses was in fact rated due to the fact first amounts.