CHAPTER 7 (Bacterial disease)

Question 1

is a chronic nasal condition characterized by the thinning (atrophy) of the nasal lining (mucosa) and bone, leading to abnormally wide nasal passages, dryness, crusting, and a foul odor.

Answer 1

Atrophic rhinitis

Question 2

The Etiology of Atrophic rhinitis is complex and cause by at least two organism.

Answer 2

Bordetella bronchiseptica
Pasteurella multicida

Question 3

is a chronic clinically mild, infectious pneumonia of pigs. Characterized by the ability to become endemic in the herd and to produce a persistent dry cough, retarded growth rate, Sporadic “Flare ups” of overt respiratory distress and a high incidence of lung lesions in slaughter pigs

Answer 3

Mycoplasmal Pneumonia

Question 4

Bacteria causes Mycoplasmal Pneumonia

Answer 4

Mycoplasma hyopneumoniae

Question 4

Etiology:
* Caused by the bacterium Glaesserella
parasuis (formerly Haemophilus parasuis).

Answer 4

Glasser’s Disease

Question 4

Bacteria causes Glasser’s disease

Answer 4

Haemophilus parasuis

Question 5

It is part of the normal flora in the upper respiratory tract of
healthy pigs but can become pathogenic under stress or coinfection.

Answer 5

Haemophilus parasuis

Question 6

inflammation of pericardium, pleura, peritoneum

Answer 6

fibrinous polyserositis

Question 7

Etiology:
* Caused by enterotoxigenic Escherichia coli (ETEC).

Answer 7

Colibacillosis

Question 8

Causative agent of Colibacillosis

Answer 8

Escherichia coli

Question 9

Etiology:
* Caused by Erysipelothrix rhusiopathiae, a gram-positive rod.
* Found in the tonsils and environment; shed in feces, urine, and nasal secretions.
* Can survive in soil and organic matter for long periods.

Answer 9

Diamond Skin Disease ( Erysipelas)

Question 10

Etiology:
* Caused by the bacterium Staphylococcus hyicus.
* It enters through skin abrasions, often caused by fighting, rough flooring, or poor hygiene.

Answer 10

Greasy Pig Disease ( Exudative Epidermitis)

Question 11

Can be transmitted to humans, primarily through contact with
infected animals or their products. This infection in humans is
known as erysipeloid.

Answer 11

Erysipelas - Erysipeloid

Question 12

Etiology:
* Caused by Actinobacillus pleuropneumoniae (APP), a gramnegative bacterium.
* There are multiple serotypes, some more virulent than others.

Answer 12

Swine Pleuropneumonia

Question 13

• Found in the tonsils and environment; shed in feces, urine, and nasal secretions.
• Can survive in soil and organic matter for long periods.

Answer 13

Erysipelothrix rhusiopathiae