Description:The thyroid function is also kept normal with coconut oil. It can give your dog a smooth glossy coat, as well as healthy, supple skin. Yeast and fungal infections are also treated and prevented through the use of coconut oil. Arthritis and similar pains can also be minimized or treated. Another area in which amazing results have been attained is in prevention of parasitic infestations, and apparently curing the problem in many instances. As described by Healing Naturally By Bee. Coconut oil may provide an effective defense against many troublesome parasites including giardia.