The brand new real time weight regarding 8-week-dated chickens is actually 0.8 kg; adult hens weighing dos.2-dos.5 and dicks 3.5-cuatro.5 kilogram. Egg shell is brownish. Fertility of egg try 95% and you may hatchability 80-85%. Death of your younger try 5-7% and of people 5%. The average development is 180-200 egg a-year; eggs weight is 58-60 grams. The creation of winners are 270-290 egg.
Crossbred progeny from Yerevan hens and you will White Leghorn dicks make 230 egg annually weighing sixty g. Brand new live weight regarding mature layers try 1.8-dos.0 kg. Certified egg contours from Yerevan hens are used while the lady parents into the crosses with men lines regarding Light Leghorns.
Authoritative dual-purpose (beef and eggs) traces out of Yerevan chickens is a very important hereditary money toward creation of brand new synthetic chicken-and-eggs contours out of broiler crosses.
YURLOV (Yurlovskaya)
So it reproduce was created regarding Central Black colored-World area of your Russian Federation during the Orlov, Kursk and Voronezh countries, by means of antique possibilities. M.F. Ivanov is actually of view that the Yurlov reproduce originated from crosses off local hens that have assaulting cocks and you can Brahma people.
The new breed is designed of the offered set of cocks with a beneficial solid and you https://datingmentor.org/over-50-chat-room/ will much time-drawn-away crow. It absolutely was considered that options toward beauty and you may amount of crowing perform make it possible to build a robust composition that have sturdy human body and you may broad nipple.
Throughout the 1941-forty five the bulk of the fresh Yurlov inhabitants are shed. For the 1948, brand new The-Partnership Chicken Breeding Institute lead 27 specimens out of Goryaninovka community in Kursk area. Of the 1951 this new gene conservation population got increased to 200 direct. The common show within this head is 124 egg a year. Later it was you are able to to boost the brand new overall performance doing 154 egg off 71 g per year.
Yurlov birds will be ancestors of some new home-bred breeds: Pervomai, Adler Silver and you may Zagorsk Salmon chickens have within genotype 1/2 to 3/8 from Yurlov genetics.
Yurlov birds feel the better-manifested characters out-of meats-sort of Far-eastern and you may video game types. Themselves try wider, strong and a lot of time. The head is actually short, having large front limbs, higher orbital arches and you may red-colored ear-lobes. They have one, flower otherwise walnut comb. New legs was much time and you can solid, reddish otherwise black colored during the the color. The newest plumage is quite fluffy and of some colors; dark silver, fish and red will be commonest. Girls feather very much slower.
The newest live lbs out of 8-week-dated chickens try 0.9-1.2 kg; adult hens weigh 2.6-3.0 and you may dicks step three.5-cuatro.0 kilogram. Yearly production was 160-180 eggs away from sixty-80 g. Egg-shell is green-brown. Fertility out of egg is actually 91% and hatchability 80%. Emergency rates of the young is actually ninety% and of people 88-93%.
ZAGORSK Salmon (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 foundation birds had a leading design and stability. Like, Rhode Isle Reddish dicks had female moms and dads and that placed not less than simply 180 eggs per year and you may Yurlov dicks originated away from a good hen and therefore applied 185 eggs.
Into the 1953 how many Salmon chickens having 3/8 off Yurlov bloodstream is 227. They certainly were bred from inside the a sealed people in which household members possibilities was familiar with merge large installing rate, stability, eggs pounds and you will an effective fleshing. The brand new alive lbs of your own ninety-day-dated Zagorsk Fish cockerels are step 1.eight kilogram; 90.6% out-of carcasses was indeed rated because the earliest grade.
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