Guess the disease

Question 1

Fish flash and rub body against object. Became lethargic and spend time sitting at bottom.

Answer 1

Icthyophthirius

Question 2

Fuzzy white growth , animal restless

Answer 2

Epistylis

Question 3

Black stripe syndrome, infect skin and gill, exopthalmos

Answer 3

Cryptobia

Question 4

Freshwater velvet disease

Answer 4

caused by Piscinoodinium
Brackish water - Amyloodium
Salt water - Crepidoodinium

Question 5

Animal is whirling, whitish cyst with milk substances, affecting salmonids

Answer 5

Myxobolus

Question 6

Raised nodules on skin and gill, milky flesh, tapioca disease

Answer 6

Henneguya

Question 7

worm track
Abdomen distention
physical pressure on organs

Answer 7

Eustrongyloides

Question 8

Is Monogenea an ectoparasite?

Answer 8

Yes

Question 9

Examples of monogenea

Answer 9

Gyrodactylus - Skin, no eyespot , 10 hooks, viviparous
Dactylogyrus - Gill, 4 eyespot, 12-14 hooks, oviparous
both direct lifecycle

Question 9

Examples of monogenea

Answer 9

Gyrodactylus - Skin, no eyespot , 10 hooks, viviparous
Dactylogyrus - Gill, 4 eyespot, 12-14 hooks, oviparous
both direct lifecycle

Question 10

Example of digenea?

Answer 10

Sanguinicola

Question 11

Examples of Annelids family?

Answer 11

Glossiphonidae
Piscicolidae

Question 12

3 methods of treatment in Parasitic Disease?

Answer 12

1. Bath
2. Oral
3. Injection

Question 13

Example of treatment for ectoparasite?

Answer 13

Salt, formalin, malachite green, copper sulphate, potassium permanganate

Question 14

Example of treatment for endoparasite?

Answer 14

Most of the time praziquantel

Question 15

C/S : External haemorrhagic appearance of skin and fins,distended belly, inflamed anus and haemorrhages, exopthalmia.

Answer 15

Vibriosis

Question 16

Necrosis caudal peduncle

Answer 16

Vibriosis

Question 17

Pale liver with petechiae, splenomegaly and distended intestine filled with yellowish transparent fluid.

Answer 17

Vibriosis

Question 18

Vibriosis agent?

Answer 18

V. anguillarum
V. harveyi
V. parahemolyticus
V. vulnificus

Question 19

Agent for Aeromonas ?
Motile Aeromonas Septicaemia

Answer 19

A. caviae
A. hydrophila
A. sobria
A. jandaei
A. veronii

Question 20

hemorrhages in gills, anus and internal organs blood tinged peritoneal fluid

Answer 20

MAS

Question 21

An extensive abscess with associated muscle liquefaction in the musculature

Answer 21

A. hydrophila
MAS

Question 22

How to isolate aeromonas?

Answer 22

Use TSA agar at 22-30 C, 24-48 hr

Question 23

Acute form, hemorrhages are found in the fins, tail, muscles, gills, and internal organs.

Answer 23

Furunculosis
A. Salmonicida

Question 24

In more chronic forms, focal areas of swelling, hemorrhage, and tissue necrosis develop in the muscles. These lesions progress to deep crateriform abscesses that discharge from the skin surface

Answer 24

Furunculosis

Question 25

Liquefactive necrosis occurs in the spleen and kidney

Answer 25

Furunculosis

Question 26

Agent for edwardsiella?
Enteric Septicemia of Fish

Answer 26

E. tarda
E. piscicida
E. anguillarum

Question 27

Mortality increases up to 50%
Mild infection: small ulcerative lesions on postero-lateral
Advanced stage: abscesses in the muscles appears as convex , swollen furuncles.
Acute cases: abscesses and large vacuoles in muscles filled with putrefied gas {Emphysematous Putrefactive Disease Of Catfish}

Answer 27

Edwardsiellosis, E. ictaluri

Question 28

Darkening and hemorrhage of the mouth (red mouth), skin, anus and fins.
Chronic signs are associated with inappetence, exophthalmos, swelling, and degenerative changes of internal organs.

Answer 28

Yersiniosis by yersinia ruckeri

Question 29

Granuloma lesion in fish

Answer 29

Mycobateriosis
M. fortuitum
M. marinum

Question 30

Erratic swimming in circle, no mobility
Erythema at anus, late stage exopthalmia
Intestine is haemorrhagic and filled with pink mucous

Answer 30

Streptococcosis
S. agalactiae
S. iniae

Question 31

Gills appear swollen and mottled, with patchy areas of bacterial growth that can be confirmed by microscopic examination of direct gill smears.

Hyperplasia, adhesions, and deformity of the gill lamellae can be seen.

Answer 31

Bacterial Gill Disease
Flavobacterium branchiophilum
Columnaris Disease
F. columnare

Question 32

Treatment for columnaris disease?

Answer 32

Treatment with potassium permanganate or hydrogen peroxide

If the disease becomes chronic, it may have become systemic, in which case treatment with florfenicol or terramycin is recommended.

Prevented by reducing organic loading and avoiding traumatic injuries.

Question 33

Disease is most severe at water temperatures of 4–10°C, and signs should not be seen at temperatures >18°C.
Skin lesions usually begin on the dorsal and posterior surfaces of the fish, but may be found on any part of the body.
Advanced cases show necrosis and ulceration of the peduncle, and underlying musculature will be exposed

Answer 33

F. psychrophilum
Bacterial Coldwater Disease

Question 34

pale gills, exopthalmia, abdominal distension, skin blisters, shallow ulcers, haemorrhages
Cavitation in musculature, containing blood-tinged caseous or necrotic material
creamy-white granulomatous lesions in kidney, spleen, liver
Turbid fluid in abdominal and pericardial cavities

Answer 34

Renibacterium salmoninarum

Question 35

Treatment for Bacterial kidney disease

Answer 35

A single treatment with potassium permanganate, followed by addition of salt to the system (2–5 ppt) may be beneficial in controlling losses, but sanitation is critical for long term resolution of the problem.

Erythromycin (100 mg/kg for 10–21 days) is effective when administered in feed early in the course of an outbreak; however, it is not FDA approved for this use.

Question 36

List of bacteria that have vaccine

Answer 36

Aeromonas salmonicida
Vibrio salmonicida
V. anguillarum
Yersinia ruckeri
Renibacterium salmoninarum
Flavobacterium psychrophilum
F. columnare
Piscirickettsia salmonis
Lactococcus garvieae
Streptococcus iniae
Photobacterium damselae subsp. piscicida
Edwardsiella ictaluri