What are 2 causes of diseases?
nutrient deficiencies and pathogens
Antibodies come from outside the body and are not permanent
Define pathogen
Any organism that causes disease
What precaution should you take when introducing a new animal to your herd?
Quarantine them
What does a virus need to reproduce?
A host
What is a nutrient deficiency?
The underconsumption of key nutrients
What is active immunity?
Immunity comes from your own body and the immunity is permanent
What are 2 examples of a microscopic pathogen?
Bacteria, virus
What should you do daily to catch any illness as early as possible?
Check your animals on a regular basis
What is the main symptom of bluetongue?
Having a blue tongue
What is an anthelmintic?
An agent which destroys or causes the expulsion of parasitic intestinal worms
What does immunity protect animals from?
Bacteria, viruses, and parasites
What are 2 examples of a macroscopic pathogen?
Worm, tick
What is a vector?
An organism that can transmit a disease
What does transplacental mean?
Relating to or involving passage through or across the placenta
How do fungi cause disease?
What is the life cycle of an internal parasite?
Fecal matter, parasite growth stage, ingested parasite, host
What are bacteria identified by?
Shape
What is an example of a fomite?
Feed trough, water trough, buckets, halters
What species does porcine circovirus affect?
Pigs
What are the effects of a nutrient deficiency?
Lowers immune system and increases chance of illness
What is the life cycle of an external parasite?
Eggs, larvae, nymphs, adult
What are the 3 shapes of bacteria?
Cocci, bacilli, spirilli
What are the 3 vital signs?
What are symptoms of avian influenza?
Coughing, sneezing, weight loss