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Ultraviolet radiation Ultraviolet radiation is the only known thing that is both beneficial and carcinogenic at the same time. More specifically, part of the ultraviolet spectrum which highly overlaps with UV-B (280 - 315 nm) causes conversion of 7-dehydrocholesterol (a zoosterol, chemical compound naturally occurring in the skin of animals and humans) to ...


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Here you can see 4 signs of guppies during pregnancy until birth (source). The gravid spot does not need to be completely black, in lighter colored fish it could also be a kind of gray. Fish in general do not get "fat bellies" like humans could. If they got lots of food, they will growth nearly equally on all ends. This said, a big belly is nearly ...


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While shivering can be a symptom of fever, it’s not always present, so I wouldn’t consider shivering an important indicator. Many lists of fever symptoms in cats don’t include shivering. A far more telltale sign is an overall sluggishness and low responsiveness, lack of appetite and possibly dry/parched nose and mouth. If you know your cat, you won’t miss it,...


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This answer is part of Pet's Spring Cleaning Campaign. This question is old, but this answer will still help people with the same problem. It depends on your dog. For example, one (or both) ears drooping is very common in strays as described by hospitalveterinariglories.com: There are different conditions that can cause a dog to have one ear up and the ...


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