Results were analyzed by LSD. Averaged over the two days per week and nine weeks of the study, DM intake as a percent of body weight averaged 2.58%, 2.60%, 2.90%, and 2.66% in Katahdin , Suffolk, Suffolk x Katahdin, and Katahdin x Suffolk, respectively.

• 采食量用LSD分析；按体重百分含量计算Katahdin、Suffolk、Suffolk x Katahdin、Katahdin x Suffolk的干物质采食量；分别为:2.；58%25、2