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The Catalina Islander
Avalon, California
September 30, 2011     The Catalina Islander
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September 30, 2011

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SUNDAY & MON" " IXl IG t--I! .... Sundays starting at I:30AM & Mondays 4PM to close WATCH YOUR FAVORITE NFL GAMES ON OUR 4 BIG SCREEN TVS. ENJOY A FULL BAR GREAT FOOD AND DRINK S PECIALS.  v A t 0 Bison roundup scheduled BY BOB RHEIN Following the 2011 calving sea- son, Catalina now has three more baby bison - as opposed to 29 in 2010 - thanks to the Conservan- cy's new program of birth control for its bison herd. A roundup of bi- son is planned for later this year, to make certain all females get their now annual shots. In 2009, the Conservancy, funded in part by the animal wel- fare group, In Defense of Animals, inoculated the pregnant bison with the non-hormonal Porcine Zona Pellucida (PZP) contraception vaccine. The PZP stimulates the bison's immune system to produce antibodies that prevent conception. PZP requires two doses during the initial year and requires an annual booster thereafter. "It's working very well," said Julie King Senior Wildlife Biolo- gist. "It's exciting to try someth!ng new as a scientist and see if it's an acceptable way to control the population." According to King, this upcom- ing roundup will ensure that all bi- son that come into the corrals also ' i'eceive ear tags for identification if they were missed in 2009, or born in 2010 or 2011, and allow for the administration of the annual dose of PZP to all adult females. "We will allow several fe- males to breed each year in the future," King said. "Our goal is zero growth, not zero calves. The JUST A FEW DOORS FROM THE PIER ON CRESCENT AVENUE JONES few calves bom each year should offset the annual mortality, so that the 'population is held at approxi- mately 150 animals." Before the roundup can begin, the Conservancy's Facilities team has a few projects to finish up, ifi- cluding roadwork in the interior, , and mending the bison corrals and water troughs. They will also be installing a new squeeze - a hand operated contraption that holds the bison still while they get their shots, ear tags, and blood samples taken. The squeeze currently in use in the Cape Canyon pen area is 40 years old. The new one will be "easier and safer to use," said Lenny Altherr, Facilities Director. It may be a roundup, but don't expect cowboys on horseback swing lariats. The Facilities crew will drop piles of affalfa along the road leadifig to the bison corrals. When the bison are in, the gates are shut. How long will it take? "It de- pends on how willing the bison are to come into the corrals," King said. It could be a few days, or a few weeks. Only the bison know, and they're not tellin'." PHOTO CAPTIONS Top image: Top Image: A baby bison that was born in early May of 2011, was captured on film while exploring the interior with his morn. Photo by Doyle Lindsay Bottom image: This squeeze that immobilizes bison long enough to get their inoculations and tags has been in use for the past 40 years. A new "easier and safer" squeeze, according to Lenny Altherr, director of Facilities, is scheduled to be installed in time for the upcoming roundup. Photo by Bob Rhein Contact us at (310) 510-0500 " or CATALINA COUPLES: NATHAN Please send us your favorite photo of yourse included in the Catalina Islander. They can sions or just at home. Email your high resok 6 ........................... Friday, September: ................................................................................................. 30, 2011 : ..... " THE CATAUNA ISLANDER