1) pulmonary edema-a build up of excess fluid in the interstital space between the alveoli and the capillary 2) pulmonary fibrosis-a build up of fibrous tissue in the interstital space 3) pneumonia-a build up of inflammatory fluid and cells in and around the alveoli.
The first day of bleeding is called the first day of heat. The duration of proestrus can vary from as little as 1 day to 21 days. Proestrus is a time of rising estrogen levels preparing the reproductive tract for breeding. Estrus: Is the period of receptivity. Behaviorally it begins the first day the bitch stands.
We consider ovariohysterectomy the safest method of birth control in dogs and cats at this time and do not consider this an appropriate choice in most cases. Progestin in the form of megestrol acetate (Ovaban) is used to postpone heat cycles in dogs and as a treatment for false pregnancy.It has also been used to treat certain skin conditions in cats. Because of its severe side effects, and the availablity of other therapies, Ovaban should only be used as a last resort.e consider ovariohysterectomy the safest method of birth control in dogs and cats at this time and do not consider this an appropriate choice in most cases. Progestin in the form of megestrol acetate (Ovaban) is used to postpone heat cycles in dogs and as a treatment for false pregnancy.