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In this May 17, 2011 file photo, wild horses run around in a fenced field at the Stewart Conservation Camp in Carson City, Nev. A three-judge panel of the 9th Circuit Court of Appeals issued a split decision on Monday upholding the government roundup of more than 1,600 wild horses along the Nevada-California line in 2010. In the 2-1 ruling, the appellate panel in San Francisco rejected an appeal by horse advocates accusing the U.S. Bureau of Land Management of gathering too many mustangs in violation of several laws, including the Wild Free-Roaming Horses and Burros Act of 1971. (AP Photo/Las Vegas Review-Journal, John Locher, File) LAS VEGAS SUN OUT; MAGS OUT; NO SALES
West on the brink of a wild horse ‘crisis,” Science paper says
First Published Aug 26 2013 12:25 pm • Last Updated Aug 26 2013 12:32 pm

The West is on the verge of a serious horse crisis. That’s the upshot of a new paper in Science, which argues that the wild horse population is growing so fast that the government could soon be unable to manage the herds.

Here’s the back-story: There are currently some 33,000 wild horses roaming freely on public lands in the western United States, descendants of horses brought by Spanish conquistadors. Under a 1971 law, the Bureau of Land Management is supposed to protect these horses and make sure their numbers don’t get out of hand - so that they’re not destroying the ecosystem or dying of starvation.

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But that’s easier said than done, and BLM has long struggled to bring the horse population down to the mandated level of 23,622. There are, after all, only a few thousand people willing to adopt horses each year. And Congress has largely restricted the slaughter of healthy horses.

So, in recent years, BLM has been rounding up excess horses and shipping them off to long-term "retirement" facilities - mainly private ranches in Kansas and Oklahoma. The problem is that this is hugely expensive: There are now 45,000 horses in these facilities, and BLM’s horse budget has soared from $19.8 million in 2000 to $74.9 million in 2012.

Lately, Congress has started reining in spending here. BLM has announced that it will remove fewer horses from public lands. At the same time, the wild horses keep breeding, with unmanaged herds able to triple in size in just six to eight years.

Put it all together, and it’s a looming disaster.

The Science paper, written by Robert A. Garrott of the University of Montana and Madan K. Oli of the University of Florida, calculates that if current trends continue, BLM would have to spend some $1.1 billion over the next 17 years just to keep storing horses in these long-term facilities - a level far beyond anything Congress seems willing to contemplate.

And if round-ups are no longer an option, then the number of wild horses on U.S. public lands will start swelling - dramatically. "The worry is we’ll end up like Australia," says Garrott. Out in Australia, the wild horse population has soared past 400,000, and the government is now reportedly considering shooting tens of thousands of horses in the outback, both to stop the destruction of range land and to alleviate the suffering of horses that have been slowly dying of thirst during a recent drought.

"Some horse advocates have argued that we should just let the horses self-regulate on public lands," Garrott says. "But what do we do when animals are destroying rangeland, competing with livestock and other wildlife and dying due to starvation and drought? That’s not good for the horses, it’s not good for the range, it’s not good for anyone." He notes that BLM has already been straining to deliver water to horses in Utah and Nevada during this summer’s drought.

In their paper, Garrott and Oli argue that it’s long past time to get America’s horse issues under control. That would start with an aggressive vaccine contraceptives program to cut the birthrates of the wild horses by half. But contraception by itself, they note, is insufficient. BLM would also need to remove many of the existing wild horses from public lands to bring the base population down to around 23,622.

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There are two broad ways to do that: Congress could appropriate many more millions of dollars to have BLM store even more wild horses in long-term pastures. Or - and this is the grislier possibility - the government could kill off thousands of healthy horses. Horse slaughter is subject to a huge amount of controversy, and horse-meat plants have been closed ever since Congress pulled funding for inspectors in 2007. (Lawmakers have since reinstated those funds, but the reopening of slaughterhouses has still been bogged down by legal disputes.)

Either way, the Science paper argues, if Congress and BLM could figure out how to get the number of wild horses down to around 23,000 or so - and soon - then contraceptives plus adoptions could likely keep the population at a sustainable level, for good. And that would mean no more slaughter. No more spiraling costs. And, most significantly, the West’s horses would avoid the painful fate of their Australian counterparts.

It’s just that getting to that sustainable level is the tricky part. "We think this can be resolved," Garrott says. "But it’s going to take a real forward-looking plan."

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