作者: D. MULLER-SCHWARZE , B. STAGGE , C. MULLER-SCHWARZE
DOI: 10.1126/SCIENCE.215.4528.85
关键词:
摘要: White-tailed deer fawns continued to play despite an experimentally induced 33 percent milk shortage. They reduced play by 35 percent and general activity by 9 percent but increased …