Which of the following structures is not a part of the digestive tract of pigs? by Sunday | Jun 8 | Agricultural Science WAEC | 0 comments A. oesophagus B. proventriculus C. duodenum D. colon Correct Answer: Option B – proventriculus Users Also Read These:The part of the ruminant stomach from which…In the diagram below showing the digestive tract of…Which of the following characteristics is not…The part of the mammalian digestive system where…The diagram below is the digestive tract of a farm…