The sacrificed animals should survive the flaw that makes it not to be used as animal sacrifice, that there are four things:
1. His eyes were blind, namely; The one-eyed, or one of his eyes appeared almost
      exit, or squint.
2. The animal is sick, whose characteristics are evident, such as; heat making
      sit on and do not want to eat, or contact with scurvy damaging meat and
      affect the health of the body, or the deep wounds that affect
      health.
3. the animal limping, that prevents the animal to be able to walk like
     usually.
4. Very thin can make strees, based on the words of the Prophet -
     alaihi wa sallam when asked that the sacrificial animals should be protected from
     (Disabled).