Synchronization

Five easy steps to better heifer reproduction

Producers who think their heifer reproduction programs are on track may want to look again. Conception rate and percentage of heifers pregnant within three services are metrics commonly used to track performance of heifer reproduction. Unfortunately, time is the missing component from both of these heifer reproductive measurements. FULL STORY »

The effectiveness of synch protocols in grazing operations

New research evaluated presynchronization and resynchronization protocols on grazing dairy cows at first and second service. The study compared the two reproductive methods and their effect on pregnancy rate through a 100-day breeding season. FULL STORY »

An economic comparison of reproductive programs

Suboptimal reproductive performance leads to extended days open, increased culling due to reproductive failure, and decreased milk yield. Many factors influence the reproductive and productive performance of dairy herds, consequently, profitability. Choosing the most effective reproductive protocol for a given herd is a critical managerial decision. FULL STORY »

Reproductive protocol proves effective in increasing heifer conception rates

To examine the effectiveness of synchronization protocols in heifers, research at the University of Florida compared the effectiveness of different timed-A.I. protocols in Holstein heifers. FULL STORY »

Lameness has a big influence on reproductive performance

A recent study completed by the University of Liverpool evaluated the effect of lameness, a common chronic stressor, on the reproductive performance of dairy cattle. Not surprisingly, they found that lameness has a serious impact on reproduction. FULL STORY »

Enhancing the fertility of lactating dairy cows

Infertility of the lactating dairy cow continues to be a critical problem limiting profitability and sustainability of dairy farms. Reproductive performance of lactating dairy cows is dependent upon service rate (or estrus detection rate), fertility of the service sire, and maternal fertility. FULL STORY »

Monitor your herd’s pregnancy rate

Pregnancy Rate (PR) is a key performance indicator for reproductive performance in dairy herds. It is defined as the percentage of cows eligible to become pregnant that actually do become pregnant in a given time period. FULL STORY »

Help to sort through synchronization protocols

It can be a challenge to keep the various synchronization protocols straight in your mind, let alone successfully implement them on your dairy. To help you and your management team more effectively manage your farm’s reproductive performance, a group of dairy reproductive experts have created a dairy synchronization protocol fact sheet. The two-page document outlines established synchronization protocols, making it an excellent resource tool for your reproductive toolbox. FULL STORY »

Still manually tracking cows in synch programs?

If you still manage your herd’s dairy records by hand, be aware that computers can make your job easier. FULL STORY »

Reducing follicle dominance in timed AI programs

Recent research evaluated the effects of the period of follicle dominance in a timed-artificial insemination (AI) protocol and its effect on conception rate in 4,098 dairy cows. FULL STORY »

Reproductive decision-making widgets

These new tools can help you make better reproductive management decisions on your dairy. FULL STORY »

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