Economics of Delayed Replacement When Cow Performance is Seasonal*

From: Journal of Dairy Science | Date: September 1, 2004| Author: de Vries, A | Copyright information

ABSTRACT

An optimal dairy cow culling and replacement model was developed; it included the option to delay entering heifers into the herd after cows were culled. The objective was to investigate whether leaving a slot temporarily vacant, to enter a heifer at a more favorable time of the year, could be economically advantageous when cow performance is seasonal. The goal of the optimization was therefore to maximize net return per slot per year. The model consisted of 3 modules: 1) a bio...

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