"Americans do not want to see scarce tax dollars used to oversee an inhumane, disreputable horse slaughter industry," Wayne Pacelle of the Humane Society argues in a press release. He has been lobbying for a ban on funding for horse slaughter inspections.

"We don't have dog and cat slaughter plants in the U.S. catering to small markets overseas, and we shouldn't have horse slaughter operations for that purpose, either," Pacelle writes.

For retiring Rep. Jim Moran (D-Va.), it's a win he helped usher through.

"These incredible companion animals don't deserve to be callously slaughtered for human consumption," his office wrote in an email to The Salt. "We fought hard for the past three years to reinstate this ban to prevent slaughter facilities from reopening on American soil."

The flip side of the argument is that horse slaughter is a practical way to handle the problem of abandoned horses. Horses can be very expensive to maintain, and when owners can't afford them, it's not unheard of for them to be sent to factories in Mexico and Canada.

That's the argument put forth by Sen. Jim Inhofe (R-Okla.), who tried but failed to strike the ban on funding inspections from the spending bill.

"Without these facilities, aging horses are often neglected or forced to endure cruel conditions as they are transported to processing facilities across the border," Inhofe wrote in a release. "This provision is counterproductive to what animal rights activists are hoping to achieve."

And Inhofe is not giving up yet.

Before Thursday night's Senate vote, Inhofe said he and Rep. Markwayne Mullin (R-OKla.) plan to introduce separate legislation that would lift the ban on funding for horse slaughterhouse inspections.

Copyright 2014 NPR.

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Congress Blocks Slaughtering Horses For Meat In U.S.