The newest gender chromosome out of Australorps try replaced by chromosome of Leghorns

Modern chicken manufacturing from the USSR is developing to your base from commercial technologies and two-way expertise, we.age. eggs and animal meat creation.

From the socialized market an average yearly eggs give out-of hens improved out-of 130 for the 1964 so you can 226 in 1984. In identical several months the full egg manufacturing became out of 29 to help you 73 thousand mil. Variety of breeding birds was in fact 230 912 000 within the 1980 given that facing 174 758 000 for the 1975 – a rise off 30%.

To possess eggs design really birds are about three- otherwise four-line crosses according to brought in grandparental traces of your own pursuing the: Razor – 288, 292, 444, Evribreed -Highsex Light, Highsex Brown while others. During the same time the latest quantities of eggs-variety of Russian Light chickens reduced – they certainly were six.8-fold shorter within the 1980 weighed against 1975.

thirteen. Residential FOWL

To possess meats manufacturing the present carries will be the five-range crosses Broiler-6 and you can Broiler-compact-8 which were designed out-of Dutch lines of your own Evribreed company. The brand new real time lbs of seven-week-dated broilers was step 1.7 kilogram, having 2.8 kg of offer are ate each kilogram away from obtain.

Total fowl meat development try dos.dos mil tonnes in 1984, we.elizabeth. 3 times doing within the 1965 (700 100000 t). The food Programme of your USSR envisages production of step 3.4-step three.six yards t regarding fowl beef inside the 1990. Extra attention will be paid with the reassurance out of fowl reproduction to your personal plots of land regarding cumulative farmers.

not, industrialization out of chicken reproduction provides resulted in a drastic reduced the amount of types. The majority of them have forfeit its energetic worthy of consequently they are maintained merely while the an inherited investment during the look centres by amateur breeders.

It part identifies your local, old and you may the new breeds and you may populations regarding the Soviet Relationship (get a hold of Dining table 13.1). The bulk of them are dual-objective types with the lowest returns which are not employed by new poultry industry. However, it enjoys many worthwhile physical attributes – resistance to situation and you will evident transform out-of environmental heat; large reproductive rates under industrial requirements; higher meat palatability.

The new traces being widely used on the poultry industry defectively you would like genetic diversity regarding the over services. On such basis as local and rare populations on Soviet Commitment the new breed teams and extremely productive outlines and you can crosses try being establish which are adjusted to your brand of climatic zones in the country.

Eggs Types Banned-AND-SPECKLED LEGHORN (Polosato-pestraya leggorn)

The fresh new artificial populace are delivered throughout 1976-84 regarding Ail-Commitment Browse Institute of Ranch Creature Reproduction and you can Family genes because of the crossing White Leghorn men of the C line of get across Razor 288 and you may hens out of a fresh line of Black colored Speckled Australorps. Brand new family genes responsible for along with out-of Leghorn plumage – I, Sp, w – as well as their alleles inside Australorps – we, sp, W – were utilized as the markers which will make genetic variety from the brand new range.

The first specimens (n=30) off birds homozygous to possess along with family genes had been built in 1978 by inter se breeding off light hybrids (F2) which have 3/cuatro out of Leghorn genetics. They had an obvious amount aftereffect of gene B about Leghorn intercourse chromosome. A man chickens (BB spsp) had white plumage with contours out-of barring as well as the girls birds (B-spsp) was barred-and-mottled which have white down.

In the first stage of breeding this new inventory off Barred-and-Speckled Leghorns numbered merely two hundred-250 direct. The majority of him or her was indeed heterozygotes (Ii Spsp and you can ii Spsp) (n=l five hundred) having yearly egg production of 230 eggs weighing 56-57 g. This was with tight choices amongst females (50% intensity) to have egg lbs, conformation and maturity of men (choice strength ten%) as crosses ranging from up to 10 lines. Among men chickens area of the choices standards was basically conformation, pounds and you can top-notch eggs of its female mothers, and to a much decreased extent the latest egg production of lady parents.