Veterinary Clinical Medicine-I (General and Systemic)

CLINICAL SIGNS - PRIMARY BLOAT

Primary pasture 

• Signs may develop Within 15 minutes after going on to bloat producing pasture.  The entire abdomen is enlarged with obvious distension of the upper left para lumbar fossa. Discomfort with the animal may standing and lying down frequently, kicking at its abdomen and rolling. Dyspea, open mouth breathing, protrusion of tongue, salivation and extension of the head, increased respiratory rate are noticed.
• Mild bloat : LPF is distended , no distress, 5-7 cm of skin over the LPF may be easily grasped and tented
• Moderate bloat: Animal is Anxious and uncomfortable, and the skin over the LPF is usually taut
• Severe bloat: Distension of both sides of the abdomen, breathing through mouth and protusion of tongue. Animals are uncomfortable, anxious and staggering. Skin is very tense and cannot be grasped and tented.
• Trocarization or passage of stomach tube releases only small amounts of gas.
• Sudden death in some animals