Inżynieria Rolnicza
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Title : Analysis of lying area in the barn with the use of video recording technology
Key words : dairy cow, lying stall, lying time, video recording
Summary :

The paper aimed to show effect of period, when cows were kept in pens with a free-stall system, on lying time and other form of behaviour, including one circumstance: bedding material (sand) was not delivered during the investigation period. Two technological groups of dairy cows kept in the barn with a free-stall system were investigated. Each group of cows showed decreased lying time in the analysed period. The paper proposed a method of approach to analyse the research data. The results of analysis indicate that relationship between combined periods (doubled days) and lying time can be presented with a linear function with higher value of determination coefficient in comparison with single days. Doubling days in the constant measurement of lying time of cows translated into the possibility of describing a dependent variable (lying time of cows in the considered period) with a linear model which differs a considerably high value of the coefficient of determination in comparison to the option, which includes single days.

Please use the following format to cite the selected article : Gaworski, M. (2014). Analysis of lying area in the barn with the use of video recording technology. Inzynieria Rolnicza, 1(149), 7-17.
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