Infection of other systems such as lungs is most likely to occur through inhalation of dust from faecal material.
The microbial flora in a vulture's large intestine is dominated by two types of anaerobic faecal bacteria, Clostridia and Fusobacteria, both of which can be deadly to other animals.
The eggs of intestinal schistosomiasis can be detected in faecal specimens through a technique using methylene blue-stained cellophane soaked in glycerine or glass slides.
In the top 200 metres or so of the sea, some dead or faecal matter is turned back into CO2 by microbes and may then re-enter the atmosphere.
Preferably, horses with a low faecal egg count should not be treated at all to ascertain a reduction of the selection pressure for anthelmintic resistance.
They could train farmers to allow the sediment to settle out of the wastewater before using it-thereby avoiding the worst of the faecal matter.
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