Animal Health 3

1.

1 point

POULTRY

Which of the following can infect respiratory, urinary and reproductive tract of hens

Infectious bronchitis

Mycoplasma gallisepticum

New Castle disease virus (NDV)

Infectious laryngotracheitis

2.

1 point

AQUA

As a disease management technique, select the best way to reduce stress on the production animal with aquaculture.

Increase aeration

Increase the temperature

Decrease the temperature

Increase stocking density

3.

1 point

POULTRY

Identify the pathogen with zoonotic potential

Infectious bronchitis

Aspergillus fumigatus

Pasturella Multocida

Mycoplasma gallisepticum

4.

1 point

CATTLE

On most dairy farms, the primary cause of apparent anoestrus is:

Failure to detect oestrus/heat

Ovarian cysts

High milk production

Uterine infections

5.

1 point

SHEEP

Lice are readily killed by:

shearing

all of these

chemicals

high humidity

6.

1 point

POULTRY

Biosecurity is an important part of modern commercial chicken management because:

all of these

chickens are grown in large populations of susceptible birds

most chicken diseases cannot be controlled by vaccination or medication

many chicken diseases pose a threat to human health

7.

1 point

POULTRY

The ideal shed temperature for rearing day chicken meat birds is

31 0C

21- 280C

21 0C

28 0C

8.

1 point

POULTRY

Which of the following is referred as a “voice box” in birds?

Syrinx

Cervical air sacs

Larynx

Trachea

9.

1 point

SHEEP

The most effective method of on-farm lice eradication is:

shearing

long wool backline treatment

plunge dipping

quarantining any sheep with pulled wool

10.

1 point

POULTRY

Day old meat chickens are vaccinated in hatcher for

Mycoplasma spp

NDV

ILT

Fowl Cholera

11.

1 point

POULTRY

Which of the following is NOT true of the respiratory tract of birds?

The syrinx is located cranial to the branching of the trachea into bronchi

The trachea is lined by ciliated pseudostratified columnar epithelium

Gas exchange occurs across the wall of the air sacs

The tracheal cartilages are not C-shaped but circular rings d. The syrinx is located cranial to the branching of the trachea

12.

1 point

AQUA

Marine fish excrete excess salt via:

Urine

Kidneys and chloride cells

Liver and kidney

Liver

13.

1 point

SHEEP

Grazing management affects livestock performance by determining:

all of these

herbage mass

growth phase

root development

14.

1 point

AQUA

Choose the correct statement

Only parasites with indirect lifecycles are problematic in aquaculture

Healthy fish are free from parasites

All of the major groups of animal parasites are found in fish

All of these

15.

1 point

SHEEP

Optimum worm control includes:

bimonthly drenching

drench all introduced sheep with a cocktail of effective chemicals

use of long acting capsules in pregnant ewes and weaned lambs annually

ensuring all sheep are drenched at the same time annually

16.

1 point

SHEEP

The mulesing operation was introduced in the 1940s to minimise the risk of:

breech strike

dermatophilosis

sheep scab

body strike

17.

1 point

AQUA

The counter-current system in fish gills is responsible for:

Efficient oxygen extraction

Breathing

Osmotic control

Controlling water flow

18.

1 point

SHEEP

Which of the following diseases is NOT a zoonosis (ie contagious to humans)?

Footrot

Leptospirosis

TSE (Mad Cow Disease)

Contagious ecthyma (Scabby Mouth)

19.

1 point

AQUA

The most problematic metabolite in aquaculture is:

Nitrite

Ammonia

Carbon dioxide

Nitrate

20.

1 point

POULTRY

Choose the correct statement from the following:

Fowl pox could be transmitted to the next generation

Chickens in Australia are not vaccinated for Avian Influenza

Avian Pneumovirus is highly prevalent in Australian Poultry industry

Intracytoplasmic inclusion bodies could be found during the Infectious laryngotracheitis infection

21.

1 point

SHEEP

Which infestation is likely to have the greatest impact on wool value in the shortest time?

Fleece rot

Lice

Itchmite

Grass seeds

22.

1 point

AQUA

Koch’s first postulate is:

Find the common organism in all infected stock

Reproduce the disease in an animal model

Isolate the organism

Reisolate the same disease from an animal model

23.

1 point

AQUA

An acute infection would have:

No peak in mortality

A high degree of mortality in a short period

Gradual mortality

Little or no mortality

24.

1 point

AQUA

A sigmoidal shaped mortality curve indicates:

Chemical exposure

A infectious agent or toxic substance

Typically bacterial infection

Viral infection

25.

1 point

CATTLE

What deficiency will result in the development of white muscle disease in cattle?

Vitamin e and selenium

Copper

Cobalt

Zinc

26.

1 point

SHEEP

Farm profit can be increased by:

reducing overhead costs

greater pasture utilisation

all of these

improved lamb survival

27.

1 point

CATTLE

What is the MOST COMMON nutritional problem limiting production on a cattle enterprise?

Deficiency of protein

Deficiency of macrominerals

Deficiency of energy

Deficiency of microminerals

28.

1 point

AQUA

How is nitrite taken up from the water into fish

passive absorption

oral route

through the epidermis

actively taken up by the gills

29.

1 point

POULTRY

Which of the following is an exotic notifiable poultry disease in Australia?

Infectious coryza

Aspargillosis

Fowl pox

Avian Influenza

30.

1 point

SHEEP

Which has the biggest impact on health and productivity in livestock?

Protein

Calcium

Fibre

Energy

31.

1 point

SHEEP

You are required to investigate scouring in lambs on lush green pasture and limited to collecting two types of samples. What would you take?

Faeces and blood

Blood and soil

Pasture and water

Soil and pasture

32.

1 point

AQUA

What is one reason that stress causes disease in fish?

It increases the replication rate of pathogens

They expend more energy to maintain homeostasis

It results in less sleep

They excrete substances which attract pathogens

33.

1 point

POULTRY

Which of the following vaccines is commonly used to vaccinate day old pullets in the hatchery?

NDV vaccine

Fowl cholera

Infectious laryngotracheitis

Avian Influenza

34.

1 point

SHEEP

Mulders chart depicts the relationship between:

trace elements

energy and protein

macro and trace elements

fibre and carbohydrate

35.

1 point

AQUA

Fresh water fish maintain their internal salt levels by:

Producing low volumes of concentrate urine

Producing large volumes of dilute urine

Excreting sodium and chlorine

Producing large volumes of concentrated urine

36.

1 point

SHEEP

Which of the following internal parasites is most pathogenic (able to cause disease)?

Nematodirus spatheger (thin necked intestinal worm)

Trichostrongylus colubriformis (black scour worm)

Haemonchus contortus (Barbers pole worm)

Teladorsagia circumcincta (brown stomach worm)

37.

1 point

AQUA

From the list below, select the first procedure to be done during a clinical work up of a fish mortality.

Identify ectoparasites

Screen for viral diseases

Take water samples

Swab for bacteria

38.

1 point

POULTRY

Which of the following is a vertically transmitted disease?

Infectious bronchitis virus (IBV)

Fowl Cholera

Mycoplasma synoviae

Infectious Laryngotrachitis (ILT)

39.

1 point

POULTRY

Commercial meat chickens in Australia are vaccinated against Avian Influenza

True

False

40.

1 point

POULTRY

Infectious bronchitis virus can cause explosive mortality in adult hens

True

False

41.

1 point

SHEEP

Vitamin B1 or Thiamine deficiency is characteristically recognised by:

Star gazing

Staggers or ataxia

Circling behaviour

Difficult breathing

42.

1 point

AQUA

In a pond situation, dissolved oxygen increases during the day because:

Fish respire less in day light

Bacteria in the pond use less.

Photosynthesis provides additional oxygen

Warm water can absorb more oxygen

43.

1 point

POULTRY

Which of the following infection is usually confined to the upper respiratory tract of chickens?

Infectious Laryngotrachitis (ILT)

Fowl Cholera

Infectious bronchitis virus (IBV)

Mycoplasma synoviae

44.

1 point

CATTLE

Treatment of diarrhoea in calves needs to correct:

Dehydration only

Energy only

All of them

Electrolyte only

45.

1 point

SHEEP

Which of the following is least likely to affect feed intake?

Legume content

Calcium content

Green:dead ratio

Water quality

46.

1 point

AQUA

Finish the following sentence. Freshwater water fish have……

high levels of salts than surrounding water

the same levels of salt as surrounding water

low levels of salt than surrounding water

the ability to live in salt water

47.

1 point

SHEEP

As pasture becomes reproductive in spring, which of the following is correct?

Fibre remains constant and protein increases

Energy increases and protein falls

Fibre rises and energy falls

Mineral content falls and energy remains constant

48.

1 point

POULTRY

Which of the following feature is an indicator of egg freshness?

Egg yolk colour

Egg albumen quality

Egg shell colour

Egg shell quality

49.

1 point

CATTLE

Biosecurity:

Is system of measures to prevent entry of new diseases into the farm

Control visitors but not motor vehicles entering the farm

Advocates regular contact and introduction of outside animals

Increases the risk of bringing infection into the farm

50.

1 point

AQUA

What are the three organs that you would focus on for bacterial isolation from a fish?

Gills, liver spleen

Brain, kidney, liver

Kidney, Liver, Spleen

Heart, liver, spleen