Burton criticized the Bureau's practice of transporting horses thousands of miles and keeping them in pens and said the cost of the program has more than tripled in the last 10 years. Rep. Jim MoranJames (Jim) Patrick MoranLawmakers toast Greta Van Susteren's new show Star-studded cast to perform play based on Mueller report DC theatre to host 11-hour reading of the Mueller report MORE (D-Va.) agreed and said the Bureau should control the size of herds through contraception, a less costly alternative.

Rep. Cynthia LummisCynthia Marie LummisChamber of Commerce endorses McSally for reelection Cynthia Lummis wins GOP Senate primary in Wyoming Chamber of Commerce endorses Ernst for reelection MORE (R-Wyo.) opposed Burton's amendment and said Congress has caused problems by preventing the slaughter of wild horses. But Burton's amendment was approved regardless.

Both amendments were considered as part of H.R. 1, the GOP's FY 2011 spending bill, which the House is considering throughout the week.