Reproduction focus on new communities of Russian Light birds are directed so you're able to broadening alive pounds, egg lbs and you can egg development.
EGG-Meats Breeds MOSCOW (Moskovskaya)
Which breed was created during the 1946-67 by the experts of your own Moscow Timiryazev Academy off Agriculture of the mating brand new crossbred children regarding Brown Leghorn boys and you will Yurlov female having This new Hampshire guys. The three-method mix chickens have been bred inter se. Solutions is actually carried out for eggs creation, viability and you can fleshing.
In the first phase away from solutions inbreeding was utilized. The average inbreeding coefficient in the lines is just about 20% and the hereditary similarity foundation are forty-five%. The newest multiplication regarding lines was predicated on group mating away from cocks with selected half of-sibs otherwise sibs.
From the 1967 the fresh new reproduction group, which included this new traces Good, B, C and you can D, numbered more than 7 100 direct. On most readily useful pens the latest egg produce reached 220 and you may champ layers brought 260-280 eggs a year.
Since 1970 brand new reproduction out of Moscow chickens could have been achieved into the battery packs and making use of fake insemination. In the course of seven ages, an emerging the latest line has been created, M5, with an enthusiastic eggs production of 228 eggs per year. It’s always make hybrids in crosses having Light Leghorns. The latest hybrids set a-year 230-250 eggs weigh 58-sixty g. Within the option for consolidating feature the brand new returns out of hybrids is compared thereupon from paternal sibs of one line as well as maternal sibs of other (controls); at the same time the brand new efficiency of reciprocal hybrids was 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 new reproduce come into Moscow and you can Saratov countries plus the brand new Ukraine. However from the 1980 their stock got denied to 42 100 compared that have 61 100 during the 1975.
Moscow chickens is bred getting egg and chicken development. He's a standard lead, large and you can bulging nipple, a lot of time and you will wider straight back. Brand new plumage try dense, black colored, having otherwise in place of wonderful hackles. Cocks possess golden feathers towards shoulders and you can straight back. Ear-lobes are red-colored. Inside hens shanks is black colored-and-yellow; within the men shanks are paler, instead of pigmentation.
The fresh alive pounds off 8-week-old pullets is actually 0.8 hence out-of cockerels are 0.9 kg; adult hens weighing step 1.9-dos.dos and dicks 2.6-dos.8 kilogram. Egg-shell along with is light brown. Fertility from eggs is at ninety-five%; hatchability are 85%. Endurance rates of the younger and of adults is 95 and you will 90% respectively. Yearly production averages 215-228 egg weigh 56-58 grams. Offer usage for every single 10 eggs is 1.86-dos.00 kg.
MOSCOW White (Moskovskaya belaya)
This breed was introduced during 1947-59 by researchers of your Portland dating service own Ail-Partnership Institute out of Chicken Breeding within Zagorsk chicken farm during the Moscow region from the mating Russian Light hens and Plymouth Rock and Pervomai cocks. Options was based on the mixture of large egg development having an excellent fleshing. This new nucleus stock included just birds with a flower brush. In the 1948 the hens which met the standards of one's the fresh reproduce got an average eggs production of 173 eggs on lbs out of 60-62 grams. The fresh new champion put 219 egg. The average real time pounds out of adult hens are dos.eight kg.
Moscow White birds are utilized both for egg and you will animal meat development. They have a-deep and wider muscles, red-and-light ear-lobes and you can a flower comb. Shanks is purple rather than enough time. The new live pounds regarding 8-week-old girls is actually 0.8 kilogram; adult hens consider dos.six and you may cocks 3.6 kilogram.
Decades at sexual readiness try 170 months. The typical annual creation are 180 egg out of 58 g; egg-shell is white. Virility out-of eggs are 95% and hatchability ninety%. Success rates of one's younger stock try 95% as well as people ninety%.
