Teddy (details)
Due to the rise in temperature, the sprouting of parasites, and the poor environmental disinfection, dogs will be infected with parasites in a large area.
I. The common transmission routes of parasites are as follows
1. Soil: The infection period of intestinal parasites survives in the soil on the ground.
2. The infection is related to the contact with the soil: a variety of water parasites can reach the body through drinking water, and the food is mainly vegetables and fish.
II. The main ways and ways of parasite infection are as follows
1. Oral infection:
A variety of parasites can be infected through food and drinking water.
2. Self-infection:
Some parasites can cause self-infection in the host. For example, the eggs of Taenia brevis hatch in the small intestine, and the larvae can develop into adults in the small intestine.
Susceptibles are those who lack immunity to parasites.
III. Factors affecting the prevalence of parasitic diseases
1. Natural factors
Including temperature, humidity, rainfall, light and other climatic factors, as well as geographical environment and biological populations.
2. Biological factors
The development of the life cycle is an indirect type of parasite, in which the presence of an intermediate host or arthropod is a necessary condition for the prevalence of these parasitic diseases.