Variable Diseased calves Control calves
Enophthalmia    
None n = 0 n = 10
Slight n =10  
marked n =10  
Suckling reflex    
Normal n = 2 n = 10
Absent n = 5  
Weak coordinated n = 5  
Disorganized n = 8  
Menace reflex    
Normal n = 0 n = 10
Instantaneous n = 2  
delayed n = 12  
Absent n = 6  
Tactile response    
Skin twitch, head movement n = 3 n = 10
Skin twitch, no head movement n = 12  
No skin twitch, no head movement n = 5  
Ability to stand    
Ability to stand unassisted n = 13 n = 10
Inability to stand unassisted n = 7  
Temperature of the oral mucosa    
Normal n = 6 n = 10
Cool n = 10  
Cold n = 4  
Warmth of extremities    
Normal n = 6 n = 10
Cool n = 10  
Cold n = 4  
Teeth grinding    
Absent n = 4 n = 10
Present n = 16  
Abdominal distention    
None n = 0 n = 10
Slight n = 4  
Moderate n = 16  
Ballottement of the left flank    
No sound n = 0 n = 10
Loud splashing sound* n = 20  
Finger percussion over the left flank    
No sound n = 0 n = 10
Ping sound n = 20  
*Can be heard without a stethoscope
Table 1: Clinical findings in 20 calves with acute ruminal drinking compared to 10 healthy calves.