Sentence examples for calving day from inspiring English sources

The association of herd blood Se value pre partum on individual health and fertility post partum was investigated by analyzing all lactations in which the calving day occurred within a period of 100 days before to 100 days after the day of blood sampling.

A 2 × 2 factorial experiment was designed to investigate the interaction between calving period (early vs. late) and PGF2α (control vs. PGF) on calving day and antral follicle count in yearling beef heifers (n = 95).

Days categorized in 20-day intervals before and after calving (Day 0), and in 31-day intervals from calving, were used as the repeated effect, respectively.

These findings confirm that antral follicle counts are associated with calving day in pubertal beef heifers.

There were no differences in calving day in response to treatment with PGF2α (P > 0.05).

As intended, calving day was less in the early calving period compared to the late calving period (P < 0.01).

The use of antral follicle counts as a prebreeding phenotype provides additional utility to reproductive tract scoring for commercial production because of its association with calving day.

The objectives of this study were to confirm the beneficial influence of antral follicle count on calving day in beef heifers and to determine whether response to PGF2α is associated with differences in antral follicle counts.

The ability of heifers to conceive early in the breeding season is traditionally thought to be a function of pubertal status; however, recent evidence suggests that antral follicle count is positively associated with calving day in pubertal beef heifers.

For each cow, sampling began at calving (Day 0) and extended until cyclicity was detected.

The cows were moved from a far-off pen to a late pregnancy pen one month before the expected calving day and the heifers were moved two months before their expected calving day.