Environmental Management Flashcards
How much manure would an average 500kg horse produce a day?
20kg
Run off contains horses faecal material which can cause…?
Eutrophication (nutrient pollution) of surface water –
nitrates & phosphates
Algael blooms – blue-green algae is toxic
Hypoxia – affects aquatic life
Do livestock take up 100% of nutrients from what they eat?
No, no food ration is 100% digestible. The remaining nutrients are excreted in urine and faeces.
True or False? Australians are proactive about manure management?
False. Australia has lots of freely available and cheap land. Australia is quite poor at manure management.
How much weed seed passed through the horses GIT tract?
Up to 95%. This includes those in hay
Health impacts caused by manure:
Can attract internal parasites (e.g. worms).
Can attract rodents and create bad odours.
To retain cleanliness of a paddock, how often should you remove the manure?
At least twice a week.
When is manure removal MOST important?
When it is warm and damp weather conditions, due to this creating an ideal location for rapid larval development.
What is Harrowing?
It is breaking up and smoothing out the surface of the soil and breaking up all the manure.
What is catchment?
An area of land that catches rainfall and directs it to a creek, river, damn or gutter.
