A concept known as the Quadrants of Performance helps predict the impact of various anticoccidial strategies on broiler performance.
Developed by coccidiosis specialists at Schering-Plough Animal Health the concept is based on the premise that, at some point during coccidial exposure, there is an age threshold that affects performance markers such as feed conversion, weight gain, caloric conversion, thriftiness and mortality.
In Quadrant 1, for example, when growth is slower, the impact of coccidial exposure is minimal, so the impact on performance is minimal. In contrast, a coccidial challenge in Quadrants 2 or 4 when the growth curve is strong, can seriously impair performance.
By using the Quadrants of Performance to analyze various anticoccidial strategies, producers can find a pathway for achieving improved outcome and cost effectiveness.
Click on the links below for more information:
What quadrant are you in? Veterinarians present visual guide to managing coccidiosis and plotting your success (Link)
Brochure: Quadrants of performance (PDF)
Quadrants of Performance: A new tool for assessing anticoccidial strategies – Dr. Charlie Broussard
PDF
Podcast(4:29)