Ch26 - Swine Flashcards
What is the difference between a female pig being called a “sow” versus “gilt”?
Sow = already produced a litter
Gilt = has NOT yet produced a litter
What condition are newborn piglets susceptible to?
Hypothermia
What is “farrowing”?
Giving birth to a litter of piglets
True or False: pigs prefer a messy environment
False; pigs prefer a clean environment - they will defecate in one corner
If you don’t routinely trim pig’s hooves, what can happen?
overgrowth of hooves, leading to difficulty walking, lameness, and diseases of the joints and hooves
True or False: Pigs should not be group housed
False
An intact male pig is called a _____.
Boar
Scientific name for pig
Sus scrofa domestica
True or False: pigs are intelligent and generally amenable to human contact
True
Which types of pigs (mini, micro, or domestic) are always housed indoors in a controlled environment?
Microswine and minipigs
Because of pig’s tendency to “root”, feeders must be _________
secured to the pens
True or False: woven wire fencing is effective at keeping pigs contained
False; they are easily destroyed by adult pigs
Water valve height should be ________
adjusted as pigs grow
Which types of pigs (mini, micro, or domestic) can be housed outdoors in moderate climates?
Domestic swine
If pigs are housed individually in pens, should they have any contact with other pigs? If so, what type of contact (visual, auditory, sensory)?
Yes; sensory or “snout” contact is preferable, but they should at least be able to see and hear other pigs
Why should pig pens with horizontal bars be higher than pens with vertical bars?
To prevent pigs from climbing up the wall or out of the pen
Swine in a lab should NOT be fed more than what percentage of their body weight daily?
2%
List 3 signs of pain and/or distress in pigs
aggressiveness, squealing, unwilling to move, vocalizing when touched
What is a common method for euthanizing lab pigs? What are two other appropriate methods?
Overdose of barbiturates
Other acceptable methods: cardiac injection of potassium chloride under anesthesia, and a captive bolt
What kind of sling uses a crank mechanism to raise the animal off the floor?
Panepinto
True or False: Personnel should crouch around aggressive swine to appear less of a threat
False
How often should swine younger than 7 months be fed?
Twice per day
What procedure help prevent piglets from becoming hypothermic?
A heat lamp is placed over the pen.
Hairless strains of minipigs have been developed for use in what kind of study?
Skin sensitivity studies
Female pigs can generally be bred beginning at what age?
6-7 months
Which swine are most prone to fighting?
Young boars
What are 3 types of tools commonly used for restraint in lab pigs?
Sling, V-trough, Terris confinement stand
When is the best time to check pigs for signs of pain or distress?
During feeding times
What is one of the main reasons for using pigs in research studies?
Their internal organs are very similar to human organs.