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Analysis of the relationship between milk production, milk composition and morphological udder measurements in Wallachian sheep

Author

Listed:
  • Michal Milerski

    (Department of Genetics and Breeding of Farm Animals, Institute of Animal Science, Prague-Uhříněves, Czech Republic)

  • Martin Ptáček

    (Department of Animal Husbandry, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague-Suchdol, Czech Republic)

  • Jaromír Ducháček

    (Department of Animal Husbandry, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague-Suchdol, Czech Republic)

  • Jitka Schmidová

    (Department of Genetics and Breeding of Farm Animals, Institute of Animal Science, Prague-Uhříněves, Czech Republic)

  • Michal Uhrinčať

    (National Agricultural and Food Centre, Research Institute for Animal Production Nitra, Lužianky, Slovak Republic)

  • Luděk Stádník

    (Department of Animal Husbandry, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague-Suchdol, Czech Republic)

  • Vladimír Tančin

    (National Agricultural and Food Centre, Research Institute for Animal Production Nitra, Lužianky, Slovak Republic
    Department of Veterinary Science, Faculty of Agrobiology and Food Resources, Slovak Agricultural University in Nitra, Nitra, Slovak Republic)

Abstract

The aim of this study was to evaluate the potential of udder measurements for prediction of milk yield, milk components and somatic cell count in non-dairy Wallachian sheep. The study was performed on 38 ewes in the Beskids Mountains kept under extensive management on pasture. Milk production (MILK) as well as samples for milk component and somatic cell count determination were collected during two separate control days (42nd day and 100th day of lactation on average). Rear udder depth (RUD, cm), udder width (UW, cm), and teat length (TL, mm) were measured at each control day as well. Linear regressions of udder measurement characteristics showed a predictive character ability for MILK only. An increasing of 70 g MILK corresponded with a 1 cm increase of RUD (P < 0.01) or 1 cm increase of UW (P < 0.001). These positive linear relationships were supported by the positive partial correlation analysis between MILK and RUD (r = 0.503; P < 0.001) or MILK and UW (r = 0.627; P < 0.001). An increase of 1 mm TL was associated with a 10 g (P < 0.01) increase of MILK; however, correlations between these traits were not significant. Results of this study demonstrate an alternative way of MILK ability in non-dairy Wallachian sheep population in general. Correlation and regression analysis further estimated this expected potential in detail using udder measurement characteristics. Measurement of RUD and UW could serve as a tool for breeding and flock management in order to maintain and improve milk production; however, there was no obvious evidence for the prediction of milk composition characteristics and somatic cell count.

Suggested Citation

  • Michal Milerski & Martin Ptáček & Jaromír Ducháček & Jitka Schmidová & Michal Uhrinčať & Luděk Stádník & Vladimír Tančin, 2020. "Analysis of the relationship between milk production, milk composition and morphological udder measurements in Wallachian sheep," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 65(11), pages 424-430.
    • Handle: RePEc:caa:jnlcjs:v:65:y:2020:i:11:id:196-2020-cjas
    DOI: 10.17221/196/2020-CJAS
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    References listed on IDEAS

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    1. Carmen L. Manuelian & Mauro Penasa & Giulio Visentin & Anna Benedet & Martino Cassandro & Massimo De Marchi, 2019. "Multi-breed herd approach to detect breed differences in composition and fatty acid profile of cow milk," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 64(1), pages 11-16.
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    Cited by:

    1. Martin Ptáček & Michal Milerski & Tereza Michlová & Jaromír Ducháček & Vladimír Tančin & Michal Uhrinčať & Jitka Schmidová & Filipp Georgijevič Savvulidi & Luděk Stádník, 2023. "Monitoring of milk performance of Wallachian sheep grazed under traditional Carpathian management in Western Beskids location," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 68(11), pages 460-468.
    2. Martin Ptáček & Michal Milerski & Tereza Michlová & Jaromír Ducháček & Vladimír Tančin & Michal Uhrinčať & Jitka Schmidová & Filipp Georgijevič Savvulidi & Luděk Stádník, . "Monitoring of milk performance of Wallachian sheep grazed under traditional Carpathian management in Western Beskids location," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 0.

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