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Ages of intimate readiness try step one70 days

Ages of intimate readiness try step one70 days

The brand new alive weight of 8-week-old birds is actually 0.8 kg; mature hens consider dos.2-dos.5 and you will dicks 3.5-4.5 kilogram. Egg shell are brownish. Fertility from egg is actually 95% and you can hatchability 80-85%. Death of the more youthful is actually 5-7% as well as grownups 5%. The average production is actually 180-2 hundred eggs per year; egg lbs is 58-60 g. Producing winners are 270-290 egg.

Crossbred progeny away from Yerevan hens and Light Leghorn cocks establish 230 eggs per year consider sixty g. This new live weight out of adult levels is step one.8-2.0 kg. Formal egg outlines of Yerevan hens are utilized because the females moms and dads within the crosses that have men outlines off Light Leghorns.

Formal dual-mission (beef and you can eggs) outlines out of Yerevan birds try an important hereditary investment towards the production of the fresh new artificial chicken-and-eggs lines out-of broiler crosses.

YURLOV (Yurlovskaya)

So it breed was made throughout the Main Black colored-Earth zone of your own Russian Federation in Orlov, Kursk and you can Voronezh places, in the shape of antique choices. M.F. Ivanov are of the viewpoint that the Yurlov breed originated from crosses out of local hens which have assaulting dicks and you can Brahma people.

New breed was formed from the extended group of cocks with a great strong and you can a lot of time-drawn-aside crow. It actually was thought that options to your beauty and you can duration of crowing manage help create a robust constitution that have strong muscles and you will wide nipple.

During the 1941-forty-five the majority of this new Yurlov people was missing. During the 1948, the new Every-Relationship Chicken Reproduction Institute put 27 specimens of Goryaninovka village in the Kursk part. From the 1951 brand new gene maintenance society had risen up to 2 hundred direct. The average show inside flock is 124 eggs annually. Later it had been you can easily to raise the fresh performance doing 154 eggs from 71 grams per year.

Yurlov chickens are the forefathers of some new house-bred breeds: Pervomai, Adler Silver and Zagorsk Fish chickens still have within their genotype 1/two to three/8 out-of Yurlov heredity.

Yurlov chickens feel the better-manifested characters out-of chicken-method of Asian and online game types. Their body are broad, strong and long. Your head are quick, with large frontal bones, large orbital arches and you will reddish ear canal-lobes. He’s just one, rose or walnut comb. The new legs try long and strong, purple or black in the along with. The plumage is rather fluffy as well as certain tints; black silver, fish and you can reddish will be commonest. Chicks feather really reduced.

New alive lbs away from 8-week-old birds are 0.9-1.2 kg; mature hens weigh dos.6-3.0 and you can cocks step three.5-4.0 kg. Yearly production try 160-180 egg off sixty-80 g. Egg shell is green-brown. Fertility regarding eggs is actually 91% and you can hatchability 80%. Endurance speed of your own younger is ninety% and of adults 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 origin wild birds got a premier design and you can stability. Such as, Rhode Island Purple cocks had people parents and this laid not less than simply 180 egg a year and you will Yurlov cocks descended from a beneficial hen hence placed 185 egg.

For the 1953 exactly how many Fish chickens which have step three/8 away from Yurlov bloodstream is 227. These people were bred into the a close people where friends choices try always blend highest laying rate, viability, eggs pounds and you can a beneficial fleshing. This new real time weight of your own 90-day-dated Zagorsk Fish cockerels try step one.seven kg; ninety.6% off carcasses was basically ranked given that basic level.

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