There have long been suspicions that industrialfarming methods, including heavy use of chemicals, is a factor in their decline.
长期以来人们一直怀疑工业化农业模式(包括大量使用化学物质)是蜜蜂减少的原因。
3
Feedlot and other industrialfarming systems that provide the majority of supermarket meat rely on heavy antibiotic use to speed the animals' growth and prevent disease in their filthy conditions.