Gastroenteritis is the inflammation of the stomach, small and large intestines. The severity of the infection seen in the extent of mucosal irritation, invasion or even ulceration, causes very acute symptoms like severe and sudden vomiting and diarrhea.
The definition of inbred is someone who is born from people who are closely related, or is something that exists in a person or animal from birth. When two cousins get married and have a child, this is an example of a time when the child isinbred.
A strain is defined as inbred when it has been mated brother x sister for 20 or more consecutive generations (F20). All offspring can be traced back to a single ancestral breeding pair in the 20th or subsequent generation. Such inbred strains are therefore isogenic (genetically identical). Substrains.