Body of the horse is not water proof, it is the its hair that is so silky that water drops do not stay on the hair. If u pour the water from top,all the water rolls down which makes it look like it, while if u sit and splash the water at it'd be wet.
A special horse rug that is waterproof and specially designed to keep the horse from getting muddy and wet in the field.
Winter Horse blankets an be made of fleece, or another heavy fabric, usually waterproof to keep the horse dry!
keratin
, well personally the best thing to do is if you do not have a waterproof sheet go and buy one - to fir your horse. and if you are riding when it rains and you think it might rain, put the waterproof sheet on. a blanket could do, but waterproof sheet is much warmer and some are even fleece lined. I got mine for my horse of robinsons - look on there. spiceymini:)
The platypus has a body covering of velvety fur which is dense and waterproof.
Sebum
The rug is a warm thick waterproof, which will keep your horse warm. It will keep it dry also, to stop any risk of colds or worse.
Skin provides a waterproof barrier that maintains the body's moisture. It also provides insulation that helps keep body heat in the body.
No it's low quality and is not water proof and not safe.
they have this oil inside their body that they put on their feathers. every day
Yes definitely. I suggest you build a run-in shed for them though. and when its cold or raining remember a waterproof blanket
An oily secretion that helps to waterproof body surface is known as sebum. This is usually secreted in the outermost layer of the skin which is known as the epidermis.