Vol. 7 (05) pp. 321-324 DOI: 10.21474/IJAR01/9041

SELECTION AND EVALUATION ON THE FATHER ANCESTORS GENOTYPE AND MOTHER ANCESTORS PRODUCTIVE INDICES OF IMPORTED FLECKVIEH SIMMENTAL AND SCHWYZ BREED COMBINED - PRODUCTIVE IMPROVER BULLS.

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  • Doctor of Agricultural Sciences, Dotsent of Department General Zootechnics, Tashkent State Agrarian University, Tashkent, Uzbekistan.
  • Doctor of Agricultural Sciences, Professor of Department General Zootechnics, Tashkent State Agrarian University, Tashkent, Uzbekistan.
  • Independent Researcher of Department General Zootechnics, Tashkent State Agararian University, Tashkent, Uzbekistan.
  • Third Course Bachelor Student the Faculty Zootechnics and Sericulture, Tashkent State Agrarian University, Tashkent, Uzbekistan.
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Abstract

In the article current value of bulls improver on the genotype of father, on productive index of mother and using them in the system for natural insemination cattle have been introduced.

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References

  1. Decree of the President of the Republic of Uzbekistan of October 9, 2017 ?On measures of legal profit and rights defense of farmers, owners of households and plots, radical improvement of efficient usage of agricultural fields system? PD №5199, Laws collection of the Republic of Uzbekistan, 2017, №12 (In Uzbek)
  2. Fuerst-Waltl B., Schwarzenbacher H, Perner C, S?lkner J. Effects of age and environmental factors on semen production and semen quality of Austrian Simmental bulls// Animal Reproduction Science. 2006, Vol.95 (1-2). P.27-37. (In English)
  3. Nasirov T. Usmanov O. RSA Genetic in Uzbekistan. Die genetischeEffizienz von RSA ? VchwarsbuntonKiihcn in Uzbekistan. RSA MagazinRindersuchtVerbund Sachsen-Anhalt OG. Sammer, 2008, p. 34-35. (In Deutch)
  4. Nosirov U.N. et al. Classical and modern selection methods in livestock breeding. Tashkent. 2008.
  5. Nosirov U.N. Factors of livestock development in Uzbekistan. SML-ASIA. 2011. -195 p. (In Uzbek).

How to Cite This Article

Dosmukhammedova Mukhayyo Khusnitdinovna, Nosirov Ubaydulla Nasrullaevich, Khodjaev Ulugkhuja Turaboevich and Mavlonov Shakhriddin Eshpulat Ugli. (2019); SELECTION AND EVALUATION ON THE FATHER ANCESTORS GENOTYPE AND MOTHER ANCESTORS PRODUCTIVE INDICES OF IMPORTED FLECKVIEH SIMMENTAL AND SCHWYZ BREED COMBINED - PRODUCTIVE IMPROVER BULLS., Int. J. of Adv. Res., 7 (05), 321-324, ISSN 2320-5407. DOI: https://doi.org/10.21474/IJAR01/9041

Corresponding Author

Dosmukhammedova Mukhayyo Khusnitdinovna
Department General Zootechnics, Tashkent State Agrarian University, University street, 2. P/O: 100140, Kibray district, Tashkent region , Uzbekistan
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