Birds end up being sexually adult on 165-170 times of age

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Birds end up being sexually adult on 165-170 times of age

Reproduction work at the fresh new populations away from Russian White chickens are directed so you’re able to growing real time weight, eggs lbs and eggs production.

EGG-Animal meat Types MOSCOW (Moskovskaya)

That it reproduce was created through the 1946-67 by the scientists of your Moscow Timiryazev Academy out-of Farming by mating the brand new crossbred girls and boys of Brownish Leghorn males and you may Yurlov girls having The fresh new Hampshire boys. The three-way get across birds were bred inter se. Possibilities is accomplished to own egg design, viability and you will fleshing.

Inside the earliest phase out of selection inbreeding was used. The average inbreeding coefficient about outlines try only about 20% additionally the hereditary resemblance grounds is actually forty-five%. The newest multiplication from lines are predicated on group mating from dicks that have chosen half of-sibs or sibs.

Because of the 1967 the latest breeding group, which included the newest outlines A good, B, C and you will D, designated more 7 100000 lead. Regarding better pencils the newest eggs give attained 220 and you will winner layers brought 260-280 egg annually.

Just like the 1970 brand new reproduction regarding Moscow birds has been carried out in the batteries and making use of artificial insemination. During seven years, a rising brand new range has been created, M5, with an egg production of 228 egg per year. It’s familiar with build hybrids inside the crosses that have White Leghorns. The brand new hybrids set per year 230-250 egg consider 58-60 grams. From inside the option for combining feature the brand new production away from hybrids is compared with this away from paternal sibs of just one line as well as maternal sibs of your own other (controls); at the same time the latest production out of reciprocal hybrids are compared.

XEM THÊM:  First, note that the smallest L2-norm vector that can fit the training data for the core model is \(>=[2,0,0]\)

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 reproduce are in Moscow and Saratov regions plus in the new Ukraine. But not by 1980 its stock got rejected so you can 42 000 compared having 61 000 for the 1975.

Moscow birds are bred to possess egg and you may meats production. He’s a standard head, large and you can protruding nipple, much time and you will wider straight back. This new plumage try thick, black, having otherwise in place of golden hackles. Cocks features fantastic feathers on the shoulders and right back. Ear-lobes are reddish. Inside hens shanks was black-and-yellow; inside males shanks is actually paler, in place of pigmentation.

New real time pounds off 8-week-old pullets is 0.8 hence from cockerels try 0.9 kilogram; mature hens weigh 1.9-2.dos and you may cocks dos.6-dos.8 kg. Egg-layer the color are light brown. Virility away from eggs has reached 92%; hatchability is actually 85%. Endurance rate of your more youthful and of grownups is actually 95 and you will 90% respectively. Annual production averages 215-228 egg weigh 56-58 g. Supply consumption for each 10 egg are step 1.86-2.00 kg.

MOSCOW White (Moskovskaya belaya)

So it breed was lead throughout the 1947-59 from the researchers of your own Ail-Union Institute regarding Poultry Reproduction within Zagorsk poultry farm inside the Moscow part of the mating Russian Light hens and you may Plymouth Material and you will Pervomai dicks. Solutions was based on the mix of large eggs development that have an effective fleshing. The latest nucleus inventory incorporated only wild birds with a rose brush. Inside 1948 brand new hens and that satisfied the factors of one’s new breed had the typical eggs production of 173 eggs to the lbs out of 60-62 g. The champ put 219 eggs. The common real time lbs from mature hens is 2.7 kg.

XEM THÊM:  First, note that the smallest L2-norm vector that can fit the training data for the core model is \(>=[2,0,0]\)

Moscow Light birds can be used for both egg and you will animal meat production. He’s got an intense and wide muscles, red-and-white ear canal-lobes and a flower brush. Shanks is purple and never long. The newest alive pounds away from 8-week-dated girls is 0.8 kg; adult hens consider 2.six and you will dicks step three.six kg.

Ages from the intimate maturity is 170 months. The average yearly production are 180 eggs regarding 58 g; egg shell was white. Fertility of eggs is 95% and you will hatchability 90% North Charleston SC escort twitter. Emergency rates of your own younger stock try 95% and of adults 90%.

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