Insects used in research have traditionally been housed and cared for in the investigator's laboratory. Centralized colony maintenance may be advantageous, but presents unique challenges to animal care staff members, who are more familiar with vertebrate research animals. To fill this potential knowledge gap, the authors share the procedures they have developed at Arizona State University for the housing, husbandry, and breeding of grasshoppers used in research and teaching.
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Article Synopsis
- Large mammalian herbivores (LMH), like domestic cattle, play a crucial role in grassland ecosystems by influencing biodiversity and food-web dynamics.
- A study in northern China found that the presence of cattle caused grasshoppers to jump significantly more, leading to an increased foraging response from their bird predator, the barn swallow, while also reducing grasshopper populations by approximately 50%.
- The research revealed that while jumping helps grasshoppers avoid being trampled by cattle, it also dramatically increases their vulnerability to being eaten by swallows, highlighting complex interactions between species that affect ecosystem dynamics.
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