And does it matter how old the yak is when the fat is extracted? Does it help if the yak is given zinc supplements prior? You know, for the flat tappets!
electrolytes.... its all about electrolytes. keep the motor hydrated.
oh, and fish oil/omega B.
So then whenever you are in a survival situation, you can drink your fish oil and gatorade mix out of the oil drain plug, like a soda fountain.