Somatic cell count in milk of individual lacaune ewes under practical conditions in slovakia: possible effect on milk yield and its composition

Authors

  • Vladimí­r Tančin Slovak University of Agriculture, Faculty of Agrobiology and Food Resources, Department of veterinary science, Tr. A. Hlinku 2, 949 76 Nitra Slovakia; NPPC-Research Institute for Animal Production Nitra, Hlohovecká 2, 95141 Lužianky
  • Michal Uhrinčať NPPC-Research Institute for Animal Production Nitra, Hlohovecká 2, 95141 Lužianky
  • Lucia Mačuhová NPPC-Research Institute for Animal Production Nitra, Hlohovecká 2, 95141 Lužianky
  • Štefan Baranovič University of Agriculture, Faculty of Agrobiology and Food Resources, Department of Veterinary Science, Tr. A. Hlinku 2, 949 76 Nitra
  • Martina Vršková NPPC-Research Institute for Animal Production Nitra, Hlohovecká 2, 95141 Lužianky

DOI:

https://doi.org/10.5219/767

Keywords:

Lacaune, somatic cell counts, milk yield

Abstract

The aim of this study was to describe the health status of udder through analysis of somati cell count (SCC) in milk of Lacaune breed. The study was conducted at five Slovak farms. Milk yield recordings and milk samples were taken from March till August by certificated organisation for milk recording, where also milk analysis on SCC was processed. In total 1192 samples were analysed. Milk samples were divided into the five categories on the basis of SCC: SCC <0.2 × 106, between 0.2 - 0.4 × 106, 0.4 - 0.6 × 106, 0.6 - 1 × 106 and >106 cells.mL-1. Animals were divided into seven stages of lactation (first: 30-60 days of lactation and then each following 30 days a further group of lactation stage was considered). The Mixed model with Scheffe's analysis as a post hoc test was used. SCC on farm 3 was highest (5.80 ±0.04 log SCC mL-1) as compared with others farms (p <0.05). Significant effect of farms on milk yield demonstrates different level of farm management. Between farm 1 and 3 the differences in milk yield per milking is more than double. Frequency of distribution of milk samples was 53.36%, 13.93%, 6.29%, 7.21% and 19.21% for different categories respectively. In category >106 cells.mL-1 the highest percentage was on farm 4 (33.57%) and lowest on farm 2 (8.06%) though more representative percentage was on farm 5 (12.05%) due to larger number of animals. The negative effect of high SCC on milk yield was observed in all farms. Data also revealed that main part of individual milk samples had SCC below 0.6 × 106 cells.mL-1 which could be an important argument for future legislative establishment of limits for SCC in ewe's milk.

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References

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Published

2017-06-15

How to Cite

Tančin, V. ., Uhrinčať, M. ., Mačuhová, L. ., Baranovič, Štefan ., & Vršková, M. . (2017). Somatic cell count in milk of individual lacaune ewes under practical conditions in slovakia: possible effect on milk yield and its composition. Potravinarstvo Slovak Journal of Food Sciences, 11(1), 386–390. https://doi.org/10.5219/767

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