Affiliation:
1. Russian Research Institute of Farm Animal Genetics and Breeding – Branch of the L.K. Ernst Federal Research Center for Animal Husbandry
Abstract
Among the methods that make it possible to obtain and evaluate biochemical indicators that characterize the direction of metabolism, the state of health and the course of the pathological process in the body, the blood examination occupies an important place. There are several ways to take blood in animals and birds. The literature often describes the classic methods of one -time obtaining blood in animals and birds. And if in the case of animals serial taking blood became a routine method, with birds, due to increased blood coagulation, the situation is more complicated. To ensure convenient access to venous vessels in order to obtain serial blood samples to study biochemical indicators in dynamics, the use of peripheral venous (intravenous) catheters is recommended. The use of catheter makes it possible to minimize a stress factor in birds, which is inevitable when using a syringe with each piercing of a vein, as well as avoiding the occurrence of hematomas. The catheterization method has been used for a relatively long time, however, when installing catheter on chickens, there are a number of unresolved issues on the correct selection of catheter and their correct use. In this regard, the purpose of the work was the approval of the use of peripheral venous catheter for interval capture of blood. During the testing of the method, it was found that, despite the increased blood coagulation of chickens, the correctly selected catheter is not clogged with blood clots. Therefore, for the selection of a catheter of the optimal size, it is necessary to take into account the size of the covering vein, because The catheter incorrectly selected in size can lead to injury to the vein (with the prevailing diameter of the catheter over the diameter of the vein), or to the blockage of the catheter (with a small diameter of the catheter). For catheterization of the covenant vein of chickens, the use of peripheral venous catheter with the dimensions of the G22 and G24 is recommended.
Publisher
Saint-Petersburg State University of Veterinary Medicine
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