Since the 1980s, efforts have been made to develop sensors that measure a parameter from
an individual cow. The development started with individual cow recognition and was …

ABSTRACT A systematic review was conducted to assess the cost of ketosis in dairy cattle,
and to elucidate how ketosis cost is estimated in each of the studies. Scientific papers …

Traditionally, a 1-yr calving interval is advised to farmers from an economical point of view,
to realize a yearly peak in milk yield. A 1-yr calving interval, however, implies a yearly event …

Lactation is a dynamic process, which evolved to meet dietary demands of growing
offspring. At the same time, the mother's metabolism changes to meet the high requirements …

The technical performance of activity meters for automated detection of estrus in dairy
farming has been studied, and such meters are already used in practice. However …

Sixteen herds were selected from a pool of 64 herds nominated by consultants for
participation in a national survey to demonstrate excellence in reproductive performance …

Contents In many countries, fat supplementation in the diet has become common in the dairy
industry. There are several ideas as to how dietary fat could influence reproductive …

Drying-off, calving, and start of lactation are critical transition events for a dairy cow. As a
consequence, most animal health issues occur during these periods. By extending the …

Based on modeling studies, a 1-yr calving interval for dairy cows is generally considered
optimal from an economic point of view. Recently some dairy farmers are deliberately …

This experiment evaluated the reproductive performance, herd exit dynamics, and lactation
performance of dairy cows managed with a voluntary waiting period (VWP) of 60 or 88 d …