11/13/24 Flashcards
What is hybrid vigor (heterosis)?
When offspring have better genetics than parents
What are desirable traits in swine?
Back fat thickness, big litter sizes, and growth rate
How many kg of grain should swine eat?
5 kg of grain per 1 kg of meat (BW)
What are undesirable traits in swine?
Excessive back fat and porcine stress syndrome
What is porcine stress syndrome?
A syndrome that causes pigs to have compulsions, blush in color, and sudden death
What does pork look like when it has porcine stress syndrome?
Pale, soft, exudative
How do you calculate dressing % in the pig market?
Carcass/liveweight = dressing %
What is the desired dressing percentage in the pig market?
66%
What must you do to newborn piglets?
Clip tail, chip needle teeth, Fe injection, tagging, ear notching, and castration
What do growing piglets need in their diet?
Lycine, energy in the diet, and ad libitum (unlimited feeding)
How many calories do pigs metabolize?
3300 kilo-calories/ kg
What do aflatoxins (spoiled food) do to pigs?
lead to abortions
