Large amounts of hard to digest food which have been consumed along with liquids may stay in the stomach for 6 to 8 hours. The average is 2 to 4 hours for a small meal with moderate fluid intake.t also  depends on what you use to cook it. If you use a oven perhaps to  cook meat, it might take 10 min, but if you use a stove, it might  take 20 min, but it might be more juicy and tender. So it really  does vary. 2 people found this useful.
Epiphora, or excessive tearing, is defined as the overflow of tears from one or both eyes. Epiphora can occur continuously (be present all the time), or it can occur intermittently (be present only sometimes). Epiphora is subdivided into two main categories: overproduction of tears or inadequate drainage of tears. In this article, we will be discussing inadequate drainage as a cause of epiphora. Anatomy.
Imperforate lacrimal puncta are an infrequent cause of epiphora in young dogs. In foals, atresia of the nasal (distal) end of the nasolacrimal duct is a common cause of early epiphora and chronic conjunctivitis. In calves, multiple openings of the nasolacrimal duct may empty tears onto the lower eyelid and medial canthus, causing chronic dermatitis.