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Watch female dragonflies wrestle away unwanted males in mid-air
female dragonflies fight mood
2021/8/10
When it comes to avoiding sexually aggressive males, some female dragonflies play dead. Others, according to a new study, wrestle the males away in midair.
How do birds breathe so efficiently? Looped airways facilitate air flows（图）
birds breathe efficiently Looped airways facilitate air flows
2021/4/9
Birds breathe with greater efficiency than humans because of the structure of their lungs --looped airways that facilitate air flows that go in one direction -- a team of researchers has found. The re...
The effect of animal age on air pollutant concentration in a broiler house
broilers airborne bacteria airborne fungi airborne dust poultry age
2015/6/4
The results of a study assessing the level of airborne contamination in intensive broiler breeding facilities are presented. The content of corpuscular particulates of various origin (dust, bacteria, ...
Correlation of Air Pollutants and Thermal Environment Factors in a Confined Pig House in Winter
Total Dust Total Airborne Bacteria Odor Ammonia Hydrogen Sulfide
2016/4/19
Optimal management of indoor air quality in a confined pig house, especially in winter, is indispensable for preventing infectious respiratory disease to workers and animals. This study was performed ...