The second law of thermodynamics should not apply the experience of pig farming to cattle farming.

• Animal Legend: The experience of pig farming mutated and transplanted to cattle farming, achieving success.Scientists interview breeders. “Pigs and cows are both domestic animal and mammals, so they can.” "Human beings are also mammals, can they?" "No, it's against dignity."
• The Legend of the Second Law of Thermodynamics: The transfer of empirical variations in dynamics to Carnot engines (thermodynamics) resulted in self contradiction, but gained widespread recognition.See image for details
• This analogy tells scientists not to misuse experience.