13.07.2015 Views

ICAR Technical Series no. 7 - Nitra Proc.

ICAR Technical Series no. 7 - Nitra Proc.

ICAR Technical Series no. 7 - Nitra Proc.

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Daily data from electronic milkmeters0 5Figure 1. Error (in%) of the milkmeter in comparisonwith the scales.0Figure 2. Error (in%) of all the milkmeters during the month(2 milkings a day for 30 days).The average concerning milk yield for each day of milking was calculatedin order to obtain the herd’s average daily yield (Figure 3) in relation toreal yield and the one read off the milkmeter.Afterwards the monthly (30 days) yield was assessed by using an everincreasing number of daily data (1 to 30) and by comparing it with realyield.Figures 4 and 5 were made of the errors obtained (in % and in kg) in relationto the number of days on which the estimate of monthly yield was based.Figures from 6 to 9 refer to four individual cows taken as examples.268Conference on "Physiological and technicalaspects of machine milking"

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