Reproduction work at the communities off Russian White chickens is led in order to expanding real time weight, eggs weight and eggs design.
EGG-Animal meat Breeds MOSCOW (Moskovskaya)
This reproduce was developed throughout 1946-67 by researchers of the Moscow Timiryazev Academy regarding Agriculture because of the mating the latest crossbred offspring regarding Brownish Leghorn boys and you can Yurlov ladies having The newest Hampshire males. The three-means mix birds was indeed bred inter se. Selection was achieved to own eggs production, stability and you will fleshing.
In the very first phase off options inbreeding was used. The average inbreeding coefficient about traces try just about 20% and the genetic similarity foundation is actually forty five%. New multiplication off lines try according to classification mating off cocks having chose 50 % of-sibs otherwise sibs.
Because of the 1967 the fresh reproduction group, which included the contours A, B, C and you may D, numbered more seven one hundred thousand head. About most readily useful pencils this new eggs give reached 220 and you will champion levels lead 260-280 egg a-year.
Just like the 1970 new reproduction from Moscow chickens might have been carried out inside the batteries and using phony insemination. In the course of seven decades, a surfacing the latest range is made, M5, having a keen egg creation of 228 egg annually. It’s always create hybrids from inside the crosses having Light Leghorns. New hybrids lay per year 230-250 eggs weigh 58-sixty grams. When you look at the choice for merging function the newest yields regarding hybrids is actually compared with that out of paternal sibs of 1 range as well as maternal sibs of one’s almost every other (controls); meanwhile the new efficiency out of reciprocal hybrids is 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 G3 locus (A – 0.750) it is close to Brown and White Leghorns.
The newest breed come in Moscow and you will Saratov countries as well as in the new Ukraine. not from the 1980 its inventory got denied so you’re able to 42 one hundred thousand compared having 61 one hundred thousand within the 1975.
Moscow chickens are bred to have egg and you can chicken production. He’s an over-all lead, large and you may protruding breast, much time and you may wide back. The latest plumage is actually thicker, black colored, that have otherwise instead of golden hackles. Dicks has wonderful feathers into the arms and you will straight back. Ear-lobes is purple. From inside the hens shanks is black colored-and-yellow; inside guys shanks was paler, rather than coloration.
Brand new alive weight regarding 8-week-old pullets is 0.8 which out-of cockerels are 0.9 kg; mature hens consider 1.9-2.dos and you may cocks 2.6-dos.8 kg. Egg-layer the colour are light brownish. Fertility of eggs are at ninety five%; hatchability is actually 85%. Emergency speed of your more youthful as well as grownups try 95 and 90% correspondingly. Yearly returns averages 215-228 eggs weigh 56-58 grams. Feed usage for every single ten egg was step one.86-2.00 kg.
MOSCOW White (Moskovskaya belaya)
It reproduce is actually produced during 1947-59 of the experts of your Ail-Connection Institute away from Chicken Reproduction at Zagorsk poultry farm inside the Moscow region by mating Russian Light hens and you will Plymouth Rock and you can Pervomai dicks. Solutions is actually according to the blend of high eggs creation having a good fleshing. The new nucleus inventory provided only birds having a flower brush. Within the 1948 the hens hence found elements of one’s the fresh new breed got the typical egg creation of 173 egg into lbs out-of sixty-62 grams. The newest champ placed 219 eggs. The average live weight from adult hens was 2.eight kilogram.
Moscow White birds are utilized for both egg and you can beef manufacturing. He has got an intense and you may wider muscles, red-and-white ear-lobes and you can a rose brush. Shanks are reddish and never long. The brand new alive lbs regarding 8-week-old girls try 0.8 kg; adult hens weigh 2.6 and you may cocks 3.6 kg.
Ages in the intimate maturity is 170 months. The common annual development is 180 eggs from 58 g; egg shell are white. Fertility off egg is actually 95% and you can hatchability 90%. Emergency rates of one’s younger stock was 95% and of grownups 90%.