Question: query regarding a two month pregnant cow showing the signs of bottle  jaw condition / may be   cyst/ may be tumour / may be crane bite -- history - use of anthelmintic before 4 month 
Answer:    chance of bottle jaw condition is less since history reveal the use of anthelmintic, if ascitis -- suck out the fluid from the cyst with single puncture & preferably from the bottom side of the cyst, inject the same amount of suitable medicine inside the cyst after fully evacuate the cyst content, [ suppose 30 ml is evacuate from the cyst - then 30 ml of suitable medicine should be injected through the same needle without pulling out the needle ]