Breeding work at the fresh populations out-of Russian White birds try directed so you’re able to broadening real time weight, egg weight and you will egg development.
EGG-Animal meat Breeds MOSCOW (Moskovskaya)
It reproduce was created during the 1946-67 of the researchers of the Moscow Timiryazev Academy regarding Farming from the mating the latest crossbred youngsters off Brown Leghorn boys and Yurlov female having This new Hampshire people. The three-method mix birds have been bred inter se. Choices Political dating app reviews was carried out getting egg development, stability and you can fleshing.
From inside the first phase out of possibilities inbreeding was used. The typical inbreeding coefficient regarding lines was only about 20% as well as the hereditary resemblance grounds was forty-five%. This new multiplication out of lines is considering class mating regarding dicks which have chose 50 % of-sibs otherwise sibs.
Of the 1967 new reproduction group, which included new contours Good, B, C and D, numbered more than 7 one hundred thousand lead. About top pencils brand new egg give attained 220 and you can champ levels produced 260-280 egg annually.
Given that 1970 the latest reproduction out-of Moscow birds might have been carried out within the batteries and utilizing phony insemination. During the time of 7 age, a rising the line has been created, M5, with an eggs creation of 228 eggs a-year. It’s regularly produce hybrids when you look at the crosses with Light Leghorns. Brand new hybrids put annually 230-250 eggs weighing 58-60 g. For the selection for merging function the yields from hybrids is compared thereupon of paternal sibs of just one line as well as maternal sibs of one’s most other (controls); meanwhile brand new efficiency of mutual hybrids is actually compared.
In the frequencies of ovalbumin genes (A – 0.989) this breed is close to meat-type breeds and in the allele frequencies of the G۳ locus (A – 0.750) it is close to Brown and White Leghorns.
The fresh reproduce have Moscow and you will Saratov places and in the new Ukraine. But not of the 1980 its inventory got refused in order to 42 000 compared having 61 100000 into the 1975.
Moscow birds is actually bred having eggs and you can meat development. He’s a general head, greater and you may bulging nipple, enough time and you may greater right back. The fresh plumage try thick, black colored, which have otherwise as opposed to fantastic hackles. Dicks keeps golden feathers towards shoulders and you will right back. Ear-lobes is red-colored. Inside the hens shanks try black-and-yellow; inside the guys shanks was paler, without coloration.
This new live lbs away from 8-week-old pullets is 0.8 which out-of cockerels is actually 0.9 kilogram; adult hens weigh step 1.9-dos.dos and you may cocks 2.6-dos.8 kg. Egg-shell the colour is white brown. Fertility out-of eggs is at ninety-five%; hatchability are 85%. Endurance speed of your own young as well as adults try 95 and you may 90% correspondingly. Yearly efficiency averages 215-228 egg weigh 56-58 g. Supply use for each and every ten egg try step 1.86-2.00 kilogram.
MOSCOW Light (Moskovskaya belaya)
This reproduce is put during the 1947-59 because of the researchers of your Ail-Partnership Institute regarding Chicken Reproduction in the Zagorsk poultry farm inside Moscow part because of the mating Russian White hens and you can Plymouth Material and you will Pervomai cocks. Choice try in accordance with the combination of high eggs production with good fleshing. This new nucleus stock provided only birds with a rose brush. Within the 1948 the new hens and this fulfilled the factors of your own the new reproduce got the typical eggs creation of 173 egg for the lbs of sixty-62 g. The fresh new champion laid 219 eggs. An average live pounds off adult hens is 2.eight kilogram.
Moscow Light birds are used both for egg and meats development. They have a-deep and you may greater human anatomy, red-and-white ear canal-lobes and a rose comb. Shanks is red rather than much time. The new real time lbs from 8-week-dated chicks try 0.8 kg; adult hens weighing 2.6 and you can cocks step three.6 kg.
Ages in the intimate readiness are 170 weeks. The common yearly development is actually 180 egg away from 58 grams; egg-shell are white. Virility regarding egg was 95% and you may hatchability ninety%. Endurance rate of your more youthful inventory are 95% as well as adults ninety%.