Belgian Shepherds come in four varieties: 1  the Belgian Groenendael (longhaired black) 2  the Belgian Tervuren (longhaired fawn/mahogany) 3  the Belgian Malinois (shorthaired fawn/mahogany)  the Belgian Laekenois (roughhaired fawn)
Depression causes lack of appetite. The cat will be less active, sleep more, will be aggressive, easily irritable and sometimes extremely vocal. Depression may be caused by loss, lack of attention from the owner, hormonal imbalance or a disease. Depression can be treated with mild antidepressants.
Causes. Loss of appetite can be caused by the cancer itself, especially advanced cancer. Cancer treatments may cause symptoms that may lead to loss of appetite. These treatments include chemotherapy, radiation therapy and surgery. These symptoms include: 1  nausea and vomiting. 2  constipation. 3  diarrhea. 4  sore mouth, dry mouth, difficulty chewing or swallowing, taste and smell changes.