Some diseases and medications can hurt your dog 's liver. Other causes of liver disease may include: 1  Some plants and herbs such as ragwort, certain mushrooms, and blue-green algae. 2  Molds that grow on corn. 3  Untreated heartworms. 4  Diabetes. 5  Issues with the pancreas. 6  Long-term use of painkillers. 7  Fatty foods.
1 Primary research involves more time while secondary research does not. 2  A lot of preparation is entailed in primary research. 3  Both primary research and secondary research follow the same steps, but they come from different sources.
Data, or facts, may be derived from several sources. Data can be classified as primary data and secondary data. Primary data is data gathered for the first time by the researcher; secondary data is data taken by the researcher from secondary sources, internal or external.e shall therefore discuss secondary data first and then take up primary data. Secondary data is of two kinds, internal and external. Secondary data â whether internal or external â is data already collected by others, for purposes other than the solution of the problem on hand.