Blood groups are determined by the presence or absence of certain antigens (proteins and sugars) on the red blood cell membrane.
Dogs have more than 12 blood groups, and their red blood cells may contain any combination of these since each blood group is inherited independently. The most important of these is called Dog Erythrocyte Antigen (DEA) 1.1. Typing of blood donors and r
Platelets are small, cell-like particles produced in the bone marrow and then released into the blood. They function to start the formation of blood clots. Platelets gather where bleeding occurs and clump together to form the initial plug that stops or slows the flow of blood. Platelets also release substances that are needed to complete the clotting process.
Platelet disorders
The function of white blood cells (also called leukocytes) is to defend the body against infection. There are 2 main types of white blood cells formed in the bone marrow: phagocytes and lymphocytes.
The main function of red blood cells (also called erythrocytes) is to carry oxygen to the tissues, where it is required for cellular metabolism. Oxygen molecules attach themselves to carrier molecules, called hemoglobin, which are the iron-containing proteins in red blood cells that give the cells their red color. Oxygen is carried from the lungs and delivered to all body tissues by the hemoglobin
Understanding your bird and providing an appropriate habitat can go a long way toward building a good relationship with your pet. Learn everything you can about your bird, its normal habits, and how to keep it healthy and happy. This knowledge will help you provide a home that supports your pet’s needs. Your avian veterinarian, experienced bird breeders, books, and reputable websites offer many helpful sources of
Individuals seeking information about selecting a bird most appropriate for their family can learn about bird breeds, housing, nutritional requirements, typical temperament, and other important information by consulting avian veterinarians, local bird clubs, books, experienced breeders, and several reliable Internet sites including that for the Association of Avian Veterinarians.
The temperament and beha
As with any pet, it is important to do some research before you buy a bird. You want a bird that meets your expectations and can live comfortably and happily in your home. To make a good decision about a bird, you need to learn more about individual types of birds, their natural behaviors, and their requirements in terms of housing, diet, and care. This information will help you select the best bird for you and yo
Erythrocytosis (often referred to as polycythemia) is an increase in the number of red blood cells in the bloodstream. (Polycythemia varies from erythrocytosis in that polycythemia may also refer to an increase in white blood cells or platelets.) Primary erythrocytosis (polycythemia vera) is a disease in which the blood-producing cells in the bone marrow develop and reprodu
Leukocytes, or white blood cells, in the blood of mammals include neutrophils, lymphocytes, monocytes, eosinophils, and basophils. These cells vary with regard to where they are produced, how long they circulate in the bloodstream, and the factors that stimulate them into going in or out of the intricate network of tiny blood vessels that branch out through the tissues
When bleeding occurs in an organ or body part, a process is set in motion to stop the bleeding. This is called hemostasis. To work, hemostasis requires an adequate number of platelets, the right amount of blood clotting proteins (often referred to as factors), and blood vessels that constrict properly. When an injury occurs, the wall of the blood vessel breaks. A norma