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:Dried cassava should not exceed 50% of the total…JSS 2 First Term Agricultural Science Lesson Note -…The diagram below illustrates the digestive tract of…The diagram below is the digestive tract of a farm…Which of the following characteristics is not…