12AGR+Course+Notes

This page contains the course notes for the course. They are mostly PDF files that were created on the 'SmartBoard'. We will update this page continuously. Stay tuned!
Click on the files below to open them in word or acrobat reader...

Prevention: maintain races to have smooth surfaces. Use a hoof mat,
Cost: loss production, loss of milk thrown away, penicillin,

Teat damage Teat cracks – constant wetting and drying, use teat grease Black pox – poor vaccum regulation, check milking machine Cow pox – use antiseptic grease

Prevention: check milking machine annually, milk infected cows last so it does not spread through the herd, teat spray, reassess the need to wash teats. Cost: medicines, milk lost where it has to be thrown out. Possible mastitis outbreak and its treatment.

Disease name: Mastitis – inflammation of the udder

Symptoms: milk clotted, discoloured, Quarter swollen, red painful to touch Severe cases cow is ill, quarter black

Primary cause: bacteria – staphylococcus aureus, streptococcus agalactiae, streptococcus uberis

Secondary causes: damaged teats, faulty milking machine, a history of mastitis, poor milking technique allowing excessive air into the teat cups, poor hygiene in the cowshed, cow has been in a lot of mud.

Treatment: - occurs anytime during lactation but more common after calving and at drying off

- Detect the disease early, use rapid mastitis test - Milk out quarter - Wash with disinfectant - Clean teat canal with methylated spirits - Insert one tube of appropriate antibiotics - Continue treatment of one tube per 12 or 24 hours as recommended. - Follow with holding times

Prevention: Use SAMM Plan - Treat cows as disease occurs - Cull persistent offenders - Teat spray - Use SCC to find infected cows - Use dry cow therapy (dry season long acting antibiotics)

Check milking machine annually Wash mud off teats Improve milking technique Keep cowshed and milking plant clean

Cost: antibiotics Loss production Loss of infected cows – culled Vetinarinary advice Time

Sitting down Relaxed Mild interest in you Grazing/eating || Well fed Know who you are healthy || Running around and away from you Run then stop with head up looking at you May be trembling Bull: Scary, run away Quick movements Some distance off, eyes wide, intently aware of you, head up || Both animals: Loud noises Being hit New surroundings, harassed by dogs || Charge you Have head down Bellow Bull: Bellow Head down Charge you Paw ground || You are between it and its calf Hitting it
 * ** Type of Behaviour ** || ** What you would see in the paddock ** || ** What causes this behaviour ** ||
 * Normal behaviour for a dairy cow/bull in the paddock || Chewing cud
 * The dairy animal is frightened || Cow:
 * The dairy animal is angry || Cow:

Mix with new bulls – fighting, rivalry In their territory Mistreatment || Losing weight Sucken eyes – dehydrated Ears down Scoury Dull coat Isolated Dry nose || Cow: Disease Lameness Bull: lameness || Wet nose Normal dung Bright eyed Ears up Part of herd Relaxed Well fed Chewing cud || Looked after – well managed Fed well Good supply of minerals ||
 * The dairy animal is sick || Off feed, not chewing
 * The dairy animal is healthy || Shiny coat

WORKSHEET 18191: stock Handling and animal health
 * 1) What is a minimum Standard of animal welfare?


 * 1) Are there any higher standards of animal welfare?


 * 1) Explain points 1.2 and 1.4 in the Code of animal welfare HO.

Standards 2, 5, 6, 7, 10, 12, 14
 * 1) Explain the following minimum standards. Describe 3 actions that you could do to meet each standard.

- Behaviour of aggressive bulls - Handling 1st calved heifers - Drenching cows in the cow shed at milking time. - Restraining cows for treatment with a hock bar - Dangers of the backing gate when in the yard with milking cows - Mustering cows in a paddock - Behaviour of cows when sick, aggressive, frightened, on heat - Symptoms and treatment for mastitis, lameness and damaged teats.
 * 1) Find information on the following in the code of animal welfare. Describe for each 3 actions you could take to be safe

Find the **animal welfare code** by //google// animal welfare code and pick the "dairy" option.