CORRELATION BETWEEN INDICATORS OF LINEAR EVALUATION BY TYPE AND DAIRY PRODUCTIVITY IN SIMMENTAL COMBINED BREED COWS

  • M. Kohut Institute of Agriculture of Carpathian Region of NAAS, 5, Hrushevskyi str., Obroshyno, Pustomyty district, Lviv region, 81115, Ukraine
  • V. Kaplinskiy Institute of Agriculture of Carpathian Region of NAAS, 5, Hrushevskyi str., Obroshyno, Pustomyty district, Lviv region, 81115, Ukraine
Keywords: LINEAR EVALUATION, TYPE, DAIRY PRODUCTIVITY, CORRELATION, FIRSTBORN.

Abstract

The correlation indicators between the results of linear evaluation of first-born cows of two lines - Redad and Horror of Simmental combined breed by type and their milk productivity are given. Animals of both lines are characterized mainly by average values ​​of linear characteristics of the type. At the same time, the highest score is given to first-born cows from the Redad line. There is a direct connection between the direction of the linear evaluation and the milk yield of the first-born from the Redad line in terms of height in the buttocks, depth of the torso, and angularity.

Carrying out a linear assessment of the first-born cows of the Simmental combined breed by type allows to identify defects in their exterior, which will further contribute to the effective selection and selection aimed at consolidating herds in accordance with the desired breed characteristics.

The growth of Redad cows was estimated at 5.8 points, and of Horror cows - 4.7 points. Animals from the Redad line had a larger chest width (0.6 points, P <0.01), a deep torso. According to the angularity (severity of the milk type), the animals of both lines received an average score (5 points). The depth of the udder is well expressed in the evaluated animals (6.2 and 6.1 points). Animals from the Horror line received the highest score for anterior udder attachment (P<0.05). Animals of both lines are well muscled, they have evenly placed pelvic limbs and strong hooves.

The studies showed a positive correlation between milk yield and height in the buttocks, body depth, angularity, anterior attachment of the udder in cows from the Redad line. Negative correlation between milking and central ligament, udder depth, teat length, pelvic limb angle.

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Published
2020-06-01
How to Cite
Kohut, M., & Kaplinskiy, V. (2020). CORRELATION BETWEEN INDICATORS OF LINEAR EVALUATION BY TYPE AND DAIRY PRODUCTIVITY IN SIMMENTAL COMBINED BREED COWS. Scientific and Technical Bulletin оf State Scientific Research Control Institute of Veterinary Medical Products and Fodder Additives аnd Institute of Animal Biology, 21(1), 79-87. https://doi.org/10.36359/scivp.2020-21-1.09