CHARACTERISTICS OF ECONOMICALLY USEFUL TRAITS OF MIXED SOWS TN70 OF DIFFERENT LINES DEPENDING ON AGE

УДК: 636.4.033 DOI: 10.31588/2413_4201_1883_2_258_164

Authors

  • Rakhmatov L.A. FSBEI HE "Kazan State Academy of Veterinary Medicine named after N.E. Bauman"
  • Suleymanov A.M. LLC "Kamsky Bacon"
  • Sharipov D.R. FSBEI HE "Kazan State Academy of Veterinary Medicine named after N.E. Bauman"
  • Valiullina D.A. FSBEI HE "Kazan State Academy of Veterinary Medicine named after N.E. Bauman"
  • Churina Z.G. FSBEI HE "Kazan State Academy of Veterinary Medicine named after N.E. Bauman"
  • Baranov V.A. FSBEI HE "Kazan State Academy of Veterinary Medicine named after N.E. Bauman"
  • Ravilov R.Kh. FSBEI HE "Kazan State Academy of Veterinary Medicine named after N.E. Bauman"; SRI "Institute of Applied Research of the Academy of Sciences of the Republic of Tatarstan"

Keywords:

industrial crossing, crossbreeds, large white, landrace

Abstract

The article presents data on the comparative characteristics of economically useful traits of crossbred sows TN70 (the result of crossing Topigs large white and Norsvin landrace) of different lines. Research experiments were carried out at Kamsky Bacon LLC in the Tukaevsky district of the Republic of Tatarstan from November 2022 to January 2024 to study the TLLAA and TLLZA lines. In terms of reproductive qualities, the TLLZA line of the TN70 cross was superior to the TLLAA line in all compared age groups. The multiparity of the TLLAA line gradually increased from the first farrowing from 14.56 to 14.96 heads to the second and to 16.45 heads to 3 or more farrows. The survival rates of this line decreased from 13.82 to 12.95 heads from the first to the third or more farrowings. The multiple pregnancy rates of the TLLZA line increased from the first farrowing from 14.67 to 19.33 heads to the second, and then decreased to 17.5 heads by the third or more farrowings. The safety of piglets at weaning decreased from 13.83 to 13 heads from the first to subsequent piglets.

Author Biographies

Rakhmatov L.A., FSBEI HE "Kazan State Academy of Veterinary Medicine named after N.E. Bauman"

Candidate of Biological Sciences, Associate Professor

Suleymanov A.M., LLC "Kamsky Bacon"

Zootechnician

Sharipov D.R., FSBEI HE "Kazan State Academy of Veterinary Medicine named after N.E. Bauman"

Candidate of Biological Sciences, Associate Professor

Valiullina D.A., FSBEI HE "Kazan State Academy of Veterinary Medicine named after N.E. Bauman"

 Candidate of Agricultural Sciences, Associate Professor

Churina Z.G., FSBEI HE "Kazan State Academy of Veterinary Medicine named after N.E. Bauman"

Candidate of Veterinary Sciences, Associate Professor

Baranov V.A., FSBEI HE "Kazan State Academy of Veterinary Medicine named after N.E. Bauman"

Candidate of Veterinary Sciences, Associate Professor

Ravilov R.Kh., FSBEI HE "Kazan State Academy of Veterinary Medicine named after N.E. Bauman"; SRI "Institute of Applied Research of the Academy of Sciences of the Republic of Tatarstan"

Doctor of Veterinary Sciences, Professor

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Published

2026-08-13

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