The effect of ewes relocation on milk composition and milk flow kinetics

Authors

  • Lucia Jackuliaková Slovak University of Agriculture in Nitra, Faculty of Agrobiology and Food Resources, Department of Veterinary Disciplines, Tr. A. Hlinku 2, 949 76 Nitra
  • Vladimí­r Tančin Slovak University of Agriculture in Nitra, Faculty of Agrobiology and Food Resources, Department of Veterinary Science, Tr. A. Hlinku 2, 949 76 Nitra, NAFC, Research Institute for Animal Production Nitra, Hlohovecká 2, 95141 Lužianky
  • Michal Uhrinčať NAFC, Research Institute for Animal Production Nitra, Hlohovecka 2 95141 Lužianky
  • Lucia Mačuhová NAFC, Research Institute for Animal Production Nitra, Hlohovecká 2, 95141 Lužianky
  • Ján Antonič Slovak University of Agriculture in Nitra, Faculty of Biotechnology and Food Sciences, Department of Evaluation and Processing of Animal Products, Tr. A. Hlinku 2, 949 76 Nitra
  • Marta Oravcová NAFC, Research Institute for Animal Production Nitra, Hlohovecka 2, 95141 Lužianky
  • Petr Sláma Mendel University in Brno,Department of Animal Morphology, Physiology and Genetics, Faculty of Agronomy, Zemedelska 1, 613 00 Brno

DOI:

https://doi.org/10.5219/318

Keywords:

milk flow kinetic, relocation, adaptation of ewes

Abstract

The investigation of an influence of ewes relocation and milking in other parlour (treatment) on milk flow kinetics, milkability and milk composition was the aim of this study. In total 34 ewes of two breeds and crosbreeds Tsigai (14 heads) and Improved Valachian (20 heads) with Lacaune were tested. Two weeks after lamb weaning the ewes were milked in parallel milking parlour (1x16 stalls) under shelter. On the last evening milking (first experimental milking, EB) before relocation of flock to another parlour, and during next three continuous evening milkings (E0 - second, E1 - third and E2 - fourth milking of exp.) after relocation the milk flow kinetics were measured using electronic collection jar. On day E0 after morning milking the flock was moved on a pasture and milked in other parlour (1x24-stalls). During E0 we recorded a significant decrease of total milk yield in comparison with EB (0.527 ±0.04 and 0.647 ±0.04 L). Significant differences were also recorded in machine milk yield, machine stripping, milking time and in maximum milk flow rate. During E0 there was a higher number of nonbimodal and lower numbers of bimodal flow types. The response of ewe to E0 depended on its response to EB. Ewes with bimodal flow at EB responded more negatively to E0 than ewes with nonbimodal or plateau flow. During E2 there were significantly increased protein content and solids not fat in milk. Thus the treatment significantly influenced the milkability of ewes in a negative way, but more clear response was found out in ewes with bimodal flow response to machine milking before treatment. We could assume that relocation to other milking conditions caused only short-term changes in milk flow kinetic and milk yield.

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References

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Published

2014-06-09

How to Cite

Jackuliaková, L. ., Tančin, V. ., Uhrinčať, M. ., Mačuhová, L. ., Antonič, J. ., Oravcová, M. ., & Sláma, P. . (2014). The effect of ewes relocation on milk composition and milk flow kinetics. Potravinarstvo Slovak Journal of Food Sciences, 8(1), 135–140. https://doi.org/10.5219/318

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