Reproduction manage the fresh populations regarding Russian Light birds was led to help you expanding live weight, eggs pounds and you will eggs production.
EGG-Meat Types MOSCOW (Moskovskaya)
This reproduce was developed while in the 1946-67 by boffins of your Moscow Timiryazev Academy of Agriculture from the mating the new crossbred children regarding Brownish Leghorn men and you may Yurlov girls that have New Hampshire people. The three-method cross chickens were bred inter se. Selection try carried out to possess eggs development, viability and you can fleshing.
Within the very first stage away from choice inbreeding was used. An average inbreeding coefficient on lines was just about 20% while the genetic resemblance basis try forty-five%. The new multiplication from contours try predicated on group mating out-of dicks which have chose half-sibs or sibs.
By the 1967 new reproduction head, which included this new contours An excellent, B, C and you will D, designated more eight one hundred thousand head. About greatest pencils the new egg give achieved 220 and winner levels produced 260-280 egg a year.
Since the 1970 the breeding of Moscow chickens might have been accomplished when you look at the batteries and using artificial insemination. At the time of 7 many years, an emerging the newest line has been made, M5, that have an enthusiastic eggs production of 228 egg annually. It’s used to establish hybrids within the crosses that have Light Leghorns. The brand new hybrids lay annually 230-250 eggs consider 58-sixty g. Within the choice for consolidating ability this new yields away from hybrids is compared with that out of paternal sibs of one range as well as maternal sibs of one’s other (controls); meanwhile brand new output from mutual hybrids is actually opposed.
In the frequencies of ovalbumin genes (A – 0.989) this breed is close to meat-type breeds and in the allele frequencies of the G3 locus (A – 0.750) it is close to Brown and White Leghorns.
The latest breed come into Moscow and you may Saratov regions and also in this new Ukraine. Although not by 1980 their inventory had refuted so you’re able to 42 000 compared which have 61 one hundred thousand inside 1975.
Moscow chickens is bred getting egg and you will animal meat manufacturing. He’s got a general head, broad and you will bulging breast, much time and you may greater back. The new plumage try thick, black, having or versus wonderful hackles. Cocks have wonderful feathers into shoulders and you can straight back. Ear-lobes try yellow. Inside the hens shanks are black-and-yellow; during the boys shanks was paler, as opposed to Garden Grove escort pigmentation.
New alive pounds of 8-week-dated pullets are 0.8 and that out-of cockerels was 0.9 kg; mature hens weigh step 1.9-2.dos and you may dicks 2.6-2.8 kg. Egg-shell the color is actually white brown. Virility out-of egg reaches ninety five%; hatchability try 85%. Emergency speed of your more youthful and of adults is 95 and you may 90% correspondingly. Yearly output averages 215-228 egg weigh 56-58 g. Feed practices for each 10 egg are step one.86-2.00 kg.
MOSCOW Light (Moskovskaya belaya)
It breed try produced during 1947-59 by the experts of your own Ail-Relationship Institute from Chicken Breeding from the Zagorsk poultry farm for the Moscow region of the mating Russian White hens and Plymouth Material and you can Pervomai cocks. Solutions is according to research by the blend of large egg production that have a great fleshing. Brand new nucleus stock incorporated merely wild birds which have a flower comb. During the 1948 new hens hence met the factors of the this new breed got the average eggs creation of 173 eggs towards the lbs from 60-62 grams. The latest champ put 219 egg. The average alive pounds out of mature hens was dos.7 kg.
Moscow Light chickens can be used for eggs and you will chicken development. He’s got a deep and you will large human body, red-and-white ear canal-lobes and a flower brush. Shanks is actually red rather than a lot of time. The live lbs off 8-week-dated chicks was 0.8 kilogram; adult hens weigh dos.6 and you may dicks 3.six kg.
Ages from the sexual readiness are 170 days. An average yearly production is actually 180 eggs away from 58 g; egg-shell try white. Virility from egg are 95% and you will hatchability 90%. Success price of the young stock are 95% and of adults 90%.