Breeding work on this new communities away from Russian Light birds is actually brought in order to expanding alive weight, egg weight and you may eggs design.
EGG-Meat Breeds MOSCOW (Moskovskaya)
So it breed is made during 1946-67 by scientists of Moscow Timiryazev Academy of Agriculture of the mating new crossbred young children of Brownish Leghorn boys and you may Yurlov female having The Hampshire guys. The 3-method get across birds was in fact bred inter se. Alternatives are achieved getting egg creation, viability and you can fleshing.
For the earliest phase away from choice inbreeding was applied. The typical inbreeding coefficient on outlines are just about 20% together with hereditary resemblance foundation was 45%. The new multiplication off outlines try considering group mating of cocks that have picked half-sibs or sibs.
By 1967 brand new reproduction flock, which included brand new traces A, B, C and you will D, designated more 7 100000 head. In the most useful pencils the brand new eggs give hit 220 and you can champion layers put 260-280 egg a year.
Given that 1970 brand new breeding off Moscow birds has been accomplished into the battery packs and using phony insemination. During the time of seven decades, a growing the fresh line has been created, M5, having an egg creation of 228 egg a year. It is regularly create hybrids into the crosses which have White Leghorns. The fresh hybrids put per year 230-250 egg weighing 58-sixty g. Inside the option for merging function the output regarding hybrids is compared with that regarding paternal sibs of one range as well as maternal sibs of almost every other (controls); at the same time the newest efficiency from reciprocal hybrids are 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.
New reproduce come in Moscow and you will Saratov places as well as in the Ukraine. Yet not by 1980 the stock got refused so you can 42 one hundred thousand opposed which have 61 100000 in the 1975.
Moscow chickens was bred for egg and you may chicken production. He’s got a broad head, greater and you will protruding nipple, enough time and large right back. Brand new plumage is thicker inmate dating site in France, black colored, with or as opposed to fantastic hackles. Cocks have wonderful feathers into shoulders and straight back. Ear-lobes is red-colored. When you look at the hens shanks try black colored-and-yellow; in people shanks is paler, without pigmentation.
New real time weight away from 8-week-dated pullets was 0.8 which from cockerels try 0.9 kg; mature hens consider step 1.9-dos.dos and you can dicks dos.6-2.8 kilogram. Egg-layer colour is light brown. Fertility away from eggs is located at ninety five%; hatchability was 85%. Survival price of younger as well as adults is actually 95 and you will 90% correspondingly. Annual production averages 215-228 egg consider 56-58 g. Supply application for each and every 10 egg try step 1.86-dos.00 kilogram.
MOSCOW White (Moskovskaya belaya)
That it breed are delivered while in the 1947-59 of the scientists of your own Ail-Relationship Institute out of Poultry Reproduction from the Zagorsk poultry farm in the Moscow area by mating Russian White hens and you may Plymouth Material and you can Pervomai cocks. Choice was in accordance with the blend of higher eggs development having a good fleshing. The fresh nucleus inventory included just birds having a flower brush. Within the 1948 the hens and this fulfilled the factors of your the fresh new reproduce got the typical egg production of 173 egg with the weight out-of sixty-62 grams. The latest champ placed 219 egg. The typical live pounds out-of adult hens are 2.7 kg.
Moscow Light birds are used for egg and you may meats development. They have a deep and you will wider muscles, red-and-light ear-lobes and you can a flower comb. Shanks is red-colored and never enough time. Brand new alive weight away from 8-week-dated girls is 0.8 kg; adult hens consider 2.six and you can cocks step 3.6 kilogram.
Many years in the sexual readiness are 170 months. The typical yearly design was 180 egg regarding 58 g; egg-shell was white. Fertility regarding egg is 95% and you may hatchability 90%. Endurance price of your young inventory was 95% as well as people ninety%.
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