Ruminants being cud chewing animals digest their food in a fairly complex manner. One important role of the digestion is fermentation of the food in the largest stomach, the rumen. While this fermentation takes place, gas bubbles occur and typically the goat will belch quite often releasing this gas.. which is perfectly normal (and at times can smell really good but this is my opinion *S*)..
Cancerous basal cell tumors are the most common skin cancer in cats. Middle-aged cats are most susceptible to these tumors along with Persians and other long-haired breeds. Many breeds of dogs are predisposed to basal cell tumors, including Wirehaired Pointing Griffons and Kerry Blue and Wheaten Terriers.
1 Lymphoma. 2  This form of cancer is common in dogs and cats, and in cats it may be associated with feline leukemia virus (25 percent of all cases). 3  The most common form of lymphoma in the cat affects the digestive system. 4  The most common signs are lethargy, vomiting and diarrhea. 5  Mammary gland tumors.