bird control

The Safety of OvoControl


We often get questions about the active ingredient in OvoControl, nicarbazin.

Although the chemical has a long history, its use as a contraceptive for pest birds is relatively new. Originally developed by Merck in 1955, nicarbazin has been used as an FDA registered anticoccidial for chickens for more than 60 years.

Coccidiosis is a very common and debilitating enteric disease which occurs during the first three weeks of a chicken’s life. Adding nicarbazin to the feed prevents the disease. A large portion of the chicken consumed both inside and outside the US is treated with the drug.

Interference with egg hatchability occured when nicarbazin was inadvertently administered to breeder chickens. The eggs from these chickens are supposed to hatch! Innolytics developed this unwanted “side-effect” in chickens into birth control for pigeons and other pest birds.

As both a food animal drug and pesticide, nicarbazin has been vetted by both FDA, EPA and a variety of other international regulatory agencies including EFSA in the EU and MAFF in Japan. The compound has been studied extensively and the environmental data package reflects the state of the art.

Nicarbazin is non-toxic and it is difficult to find much in the world of drugs or pesticides that is less toxic or more environmentally benign.

Innolytics continues to work on additional applications for this unique compound.

Automatic Feeder Assembly

Ovocontrol now has a how-to video for our automatic feeders! For OvoControl's contraceptive program to be effective, you should use an automatic feeder. This machine triggers once a day so the birds receive the necessary amount of bait. The new and improved automatic feeders are also easy to assemble and operate.

Here's a video on how to assemble an OvoControl Automatic Pigeon Feeder.

OvoControl at Pima College

Given the number of structures and wide open spaces, OvoControl is an excellent choice to control pigeons at a college campus.Pima College is a community college located in downtown Tucson, AZ. With nearly 10,000 students, the main campus has a challenging mix of open areas and structures.In 2010, Arizona Pest Control deployed an OvoControl population management program on the campus.  The OvoControl program was augmented by quarterly trapping.Over a period of 24 months, OvoControl reduced the population from 200 pigeons to just 5 birds.  The campus remains effectively pigeon free. 

Another Satisfied Customer

A customer from Hawaii, recently reported their experience with OvoControl P.....

"Hi Innolytics, I just wanted to let you know that my pigeon population at my home on Oahu has been reduced to 2 dozen from at least 80 birds last March.... while using ovocontrol since times I would have a flock of 200 on my roof, but no more! your product has made a huge difference in our lives.   The birds that live here now are healthy and no longer a nuisance for me. thank you, Gloria"

For more product testimonials, see the "Where to Use" tab. 

Wild Bird Rehab Haven in Honolulu Makes OvoControl Recommendation

WILD BIRD REHAB HAVEN in Honolulu, a leading bird rehabilitation organization in Hawaii, has made a recommendation for OvoControl.  See their pigeon brochure entitled, “If you feed them, they will come….if you house them, they will stay.”  Also, see the organization's website at