2018, Vol. 16, No. 1

Sirvi

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Assessment of dairy cow herd indices associated with different milking systems
(2018) Gaworski, M.; Leola, Arvo; Kiiman, Heli; Sada, Oliver; Kic, P.; Priekulis, J.; Estonian University of Life Sciences. Institute of Technology
The objective of the research was to find whether any differences exist between cattle herds operated by certain milking installations. The cattle herds were studied not only by herd size but also by certain data, like annual milk yield, age and number of lactations. Data collected on dairy farms that operate pipeline milking systems, milking parlours and automatic milking systems were analysed. These farms are situated in three Baltic States. The investigated Estonian dairy farms indicated a decreased tendency in the prevalence of disease cases for udder diseases with an increase in cow herd size. An index of cow production potential was proposed to compare different (including number of lactations) group of cows in dairy farms.