Chronilogical age of intimate readiness try 170 months

15 Kas Chronilogical age of intimate readiness try 170 months

New live lbs away from 8-week-old birds is 0.8 kg; adult hens consider 2.dos-2.5 and cocks step three.5-cuatro.5 kilogram. Egg shell is actually brown. Virility off egg was 95% and hatchability 80-85%. Death of one’s younger try 5-7% and of adults 5%. The average creation is 180-two hundred eggs a year; egg lbs is actually 58-60 g. Producing champions try 270-290 egg.

Crossbred progeny regarding Yerevan hens and you may Light Leghorn dicks develop 230 egg per year weighing sixty g. The fresh alive weight out-of adult levels is actually step 1.8-2.0 kg. Formal egg outlines out of Yerevan hens are utilized because the girls mothers inside crosses which have male traces of White Leghorns.

Specialized dual-objective (meat and eggs) outlines from Yerevan chickens was a valuable hereditary financing to the production of new artificial meats-and-eggs traces away from broiler crosses.

YURLOV (Yurlovskaya)

This breed is made in the Central Black-Environment region of your own Russian Federation inside Orlov, Kursk and you may Voronezh regions, by means of old-fashioned choices. Meters.F. Ivanov is actually of one’s view the Yurlov breed originated in crosses off local hens which have assaulting dicks and you will Brahma guys.

The brand new reproduce is actually designed by extended band of dicks having an excellent strong and you may long-drawn-out crow. It absolutely was believed that selection with the beauty and you can period of crowing would help to create a powerful structure which have strong human anatomy and you may wider nipple.

Through the 1941-45 the majority of this new Yurlov populace was shed. When you look at the 1948, this new Most of the-Connection Poultry Breeding Institute lead twenty-seven specimens out of Goryaninovka village in Kursk part. Because of the 1951 the fresh new gene preservation population had risen to two hundred direct. An average results in this head is actually 124 egg a-year. Later it absolutely was possible to increase the show to 154 eggs of 71 grams per year.

Yurlov chickens certainly are the ancestors of a few new house-bred breeds: Pervomai, Adler Gold and you can Zagorsk Salmon birds still have within genotype 1/2 to 3/8 from Yurlov heredity.

Yurlov chickens feel the well-manifested characters from chicken-particular Western and you may games breeds. Their body was greater, strong and you will long. Your face are short, which have wider front bones, highest orbital arches and you will reddish ear canal-lobes. He’s just one, rose otherwise walnut brush. This new legs are long and you can good, purple otherwise black in the color. The newest plumage is rather fluffy and free one night stand dating sites of various colour; black silver, salmon and you may red are definitely the commonest. Girls feather extremely much slower.

This new real time lbs out of 8-week-dated birds is 0.9-step one.2 kilogram; adult hens weighing 2.6-step three.0 and cocks step three.5-cuatro.0 kg. Annual creation are 160-180 eggs regarding 60-80 g. Egg shell is actually pink-brown. Virility away from eggs are 91% and you will hatchability 80%. Emergency speed of the more youthful are 90% as well as grownups 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 wild birds had a top development and you may stability. Particularly, Rhode Area Red cocks got female mothers hence placed believe it or not than 180 eggs a year and you will Yurlov dicks originated out of a good hen hence placed 185 eggs.

During the 1953 how many Salmon chickens which have 3/8 out-of Yurlov bloodstream are 227. They certainly were bred in a closed society where friends selection are familiar with merge highest installing price, viability, eggs weight and you will an effective fleshing. The fresh new real time weight of ninety-day-old Zagorsk Fish cockerels is 1.eight kg; ninety.6% out-of carcasses had been rated due to the fact earliest levels.