Dr. Liu Presentation

Question 1

What is Jeng-Hung Liu’s focus in science?

Answer 1

Animal science/Meat science and Muscle biology

Question 2

What are the responsibilities for animal scientists?

Answer 2

Efficiency
Food
Genetic for animals
Livestock Management
Waste management (fertilizer)
Size and growth of livestock population
food processing
SUSTAINABILITY

Question 3

What are the environmental impact of raising livestock for human consumption?

Answer 3

It generates 15% of total global greenhouse gas emission.

Uses nearly 70% of agricultural land, contributing to deforestation, biodiversity, loss and water pollution

Question 4

Traditionally manure has been directly spread to crops as…

Answer 4

Fertilizer

Question 5

What are common ways to treat/manage manure?

Answer 5

Composting
Biogas green energy
Deep litter system
Manure treatment plants

Question 6

What is composting?

Answer 6

Compositing is the managed, aerobic (oxygen-required)
Biological decomposition of organic materials by microorganisms.

Question 7

What are the benefits of composting?

Answer 7

Reduce odors
Kills disease-causing agents (pathogens)
Reduce bulks
Stabilizes the manure for easier handling

Question 8

What are the comparisons of deep litter system to traditional composting?

Answer 8

Lesser heat produced
Lesser water used
Health benefits
Animal welfare
Rotten bed?