wrap up and quiz

You are called out to a cow showing increased respiratory effort and rate and a drop in milk yield. When you arrive the cow has a temperature of 41oC, increased inspiratory and expiratory noise on auscultation of the trachea, serous discharge from the eyes and nose and inflamed conjunctiva. What is your primary differential diagnosis?

Lungworm

IBR

MCF

Mycoplasma bovis

IBR

You are called out to see a 2 year old texel tup with severe dyspnoea and stridor. On clinical examination the tup is in good condition (BCS 3.5), no discharge from eyes or nose and temperature is 39oC. What is your primary differential diagnosis?

Laryngeal chondritis

Pasteurellosis

Lungworm

OPA

Laryngeal chondritis

You visit a group of itchy sheep and on visual inspection diagnose Damalinia bovicola (biting lice). Organophosphate dipping is not an option in this case, what treatment would you advise?

Injectable macrocyclic lactone (ML – group 3 wormer)

Monepantel drench (group 4 wormer)

Pour on insect growth regulator (IGR)

Pour on synthetic pyrethroid

Pour on synthetic pyrethroid

You examine a pet sheep with an enlarged submandibular lymph node who is otherwise clinically well. You notice the lymph node has a tract and is draining pus and you are suspicious of caseous lymphadenitis (CLA). What is the most appropriate diagnostic strategy in this case?

Euthanise and PME

Swab draining tract for culture

Take bloods for serology

Ultrasound scan thorax for internal abscess

Swab draining tract for culture

Ventilation of a calf housing works by using the natural stack effect

True

False

False

You are presented with a group of first time grazers who are out at pasture and coughing when they are moved from field to field in late August. The heifers are not pyrexic and are showing no other signs. What is the most appropriate action for these heifers?

Euthanise one and PME

Treat with oxytetracycline and meloxicam

Treat with an injectable macrocyclic lactone

Perform paired serology for rising antibody ELISA

Treat with an injectable macrocyclic lactone

It is August and you are called to see a sheep who is presenting with anaemia and lethargy. On clinical exam the sheep is in good condition (BCS 3), but has very pale mucous membranes, and elevated respiratory and heart rate. You also notice some sub-mandibular oedema. What is your primary differential?

Liver fluke

Copper toxicity

Heamonchus contortus

Parasitic gastroenteritis

Heamonchus contortus

.It is September and you are called to examine a dairy cow at grass who is coughing, has increased respiratory effort and rate and a drop in milk yield. When you arrive the cow has a temperature of 38.5oC, increased lung sounds cranioventrally, and abducted elbows. You notice there are other cows coughing in the herd. What is your primary differential diagnosis?

Lungworm

Mycoplasma

Infectious bovine rhinotracheitis

Malignant catarrhal fever

lungwqorm

You are called out to see a group of 6 month old lambs who are coughing. On clinical examination they are pyrexic, dyspnoeic and have serous discharge from eyes and nose. What is your primary differential diagnosis?

Laryngeal chondritis

Lungworm

Pasteurellosis

Ovine pulmonary adenocarcinoma (OPA)

Pasteurellosis

Which of the following is the most common type of bovine pericarditis in the UK

Pericarditis caused by bovine lymphoma

Septic pericarditis

Idiopathic haemorrhagic pericarditis

Viral pericarditis

Septic pericarditis

What is the most consistent clinical sign in cardiac disease in cattle, seen in both pericarditis and bacterial endocarditis?

Grade III/IV systolic heart murmur

Persistent bradycardia

Persistent tachycardia

Muffled heart sounds

Persistent tachycardia

You examine a cow with a grade IV/VI systolic heart murmur on the left hand side and elect to treat the cow with antibiotics. What is the most suitable antibiotic treatment plan for this cow?

A 4 week course of enrofloxacin

A 3 day course of enrofloxacin

A 3 day course of amoxicillin

A 4 week course of amoxicillin

A 4 week course of amoxicillin

What is the first nematode species that lambs tend to encounter when they are turned out in the spring?

Trichostrongylus

Teladorsagia

Haemonchus

Nematodirus

Nematodirus

Faecal egg counts can be used to time treatments for Nematodirus

True

False

false→ is a pre patent infection

What methods can be used to time treatments for Nematodirus?

Faecal egg counts and daily liveweight gain

Pasture history and mean temperature

Pasture history and faecal egg counts

Mean temperature daily liveweight gain

Pasture history and mean temperature

• were lambs on in the past year

Which GI nematode to sheep often generate little immunity to?

Teladorsagia

Nematodirus

Haemonchus

Trichostrongylus

Haemonchus

what is Incrs noise over trachea indicative of

indicative of ibr

why not use pour on IGR for lice

not an igr for lice that is licesned in uk

if theres no draining tract to sample from LN for CLA what could you do

blood for serology

You are presented with a group of first time grazers who are out at pasture and coughing when they are moved from field to field in late August. The heifers are not pyrexic and are showing no other signs. What is the most appropriate action for these heifers?

why not do paired serology here

need to wait → may be dead by this time

You examine a cow with a grade IV/VI systolic heart murmur on the left hand side and elect to treat the cow with antibiotics

why chose amoxicillin over enrofloxacin

not enrofloxacin bc is fluroquinolone → not cat d

amoxicillin is cat d