Read the Progressive Dairy Canada digital edition
advertisement

A.I. & BREEDING

From estrus and heat detection to genomics and sexed semen, discover the latest information to improve reproductive performance.

LATEST

One of the major factors determining dairy herd efficiency is the amount milk sold per cow per day of life. Several factors contribute to pounds of milk sold per day of life, but reproductive performance is a major contributor.

The two main reproduction influences on lifetime milk production are age at first calving and percentage of time a cow spends in the first months of lactation. A typical lactation curve is shown in Figure 1.

Read more ...

Although the technology of sexed semen has been around for a while, many still question if it’s worth the investment. After all, the price of sexed semen for many producers is significantly higher than the cost of conventional semen.

As with any new technology, sexed semen should be questioned and analyzed with trusted experts in the veterinary, academic and industrial communities before being applied to an operation. This article will guide you through considerations and applications for sexed semen on any operation.

Read more ...

Ensuring cows are bred soon after the voluntary waiting period and subsequent open cows rebred in a timely manner is critical to the profitability of a dairy operation.

Read more ...

Over the years, science has delivered reproduction management technologies that have helped dairy producers become more efficient and productive. Timed artificial insemination (TAI) is one practice that greatly improves reproductive performance on dairies.

Read more ...

Around the world and especially in North America, the purebred Holstein dairy cow is hard to beat for milk, fat and protein yields. The Holstein cow is also popular for commercial production of milk, particularly in fluid milk markets.

Read more ...

Many studies and research articles have been conducted and all have drawn the same conclusion: There is no physical way to remove horns on dairy animals without creating a task no human wants to do – causing pain to an animal – and thus creating an image the general public cannot understand.

Read more ...