Which of the following structures is not a part of the digestive tract of pigs? By: Sunday|Published on: Jun 8|Categories: Agricultural Science WAEC| 0 comments A. oesophagus B. proventriculus C. duodenum D. colon Correct Answer: Option B – proventriculus Users Also Read These:Â The part of the digestive tract of birds which…The part of the ruminant stomach from which…In the diagram below showing the digestive tract of…Pigs are normally classified into the following…Which of the following structures produces the…SEE ALSO What action of government may be considered as granting of subsidies to farmers?