The objective of this experiment was to evaluate the effect of two surgery methods of indwelling multi-catheters on concentration of serum protein,liver function and nutrient digestion and metabolism of goats.Eight health castrated Qingjiang goats with similar weight about 1.5years old were divided into two groups according to the principle of similar weight,and portal vein and mesenteric vein fistulas were installed in goats with laparoscopic and traditional laparotomy surgery methods,respectively.Serum protein metabolism and liver function of preoperative and postoperative 1,3,5dand nutrient...