Exam 2 Flashcards
What type of estrus cycle do swine have?
Polyestrous
How many piglets should be weaned per year?
21-22 piglets
How many litters should sows have per year?
2-3 (average 2.57)
What is the boar effect?
Stimulate or detect estrus through presence of boar
What is an appropriate length of time for farrowing intervals during stage 2 parturition in swine?
16 minutes
All piglets should be delivered between __ and __ hours
4 and 6
When should assistance be sought during swine farrowing?
No progress after 45-60 mins
What percentage of swine suffer dystocia?
1%
What are piglets highly susceptible due to sparce hair at birth?
Hypothermia
When are piglets at the greatest risk?
2-3 days old
What temperature should farrowing environment be?
80-85 degrees
What can orphan piglets be raised on?
Whole cow’s milk or commercial sow milk replacer
Runts are defined as weighing less than __ lbs at birth
2 lbs
What percentage of runts don’t make it?
60%
What three things does swine growth depend on?
Genetic inheritence, feed, care
What are essential for maintenance of growth, gestation and lactation in swine?
Protein and amino acids
What venipuncture site in swine is best for large volumes?
Cranial vena cava
Where should SQ injections be administered in small pigs <50 lbs?
Auxiliary area caudal to elbow
Inguinal region in flank skin fold
Where should SQ injections be administered in large swine?
Loose skin behind base of ear
Where are IM injections administered in swine?
Dorsal neck muscle behind ears
For IM injections in piglets do not exceed __ mL and __ mL in larger swine
2 mL , 3 mL
How are fluids administered in swine?
Fluids often given IP
“Baby pig thumps” are often seen in what case?
Anemic piglets
What is the only chemical used in euthanasia that does not leave tissue residue?
Carbon dioxide gas
What recumbency are swine in for necropsy?
Left lateral recumbency
What are the anesthetic risks in swine?
Hypoventilation, hyperthermia, airway obstruction,
What’s the most consistent site for preanesthetic drugs in swine?
IM back, gluteal or shoulder muscles
What is the pharyngeal recess in swine?
Blind pouch located dorsal to the esophagus, that if entered will not allow the endotracheal tube to advance
What may be used to reduce the risk of laryngospasm?
Topical lidocaine
What are the preferred anesthetic gases used for swine?
Isoflurane and Sevoflurane
True or False
Nitrous oxide can be used safely in swine
True
What is the IV fluid rate for dehydrated or sick swine?
10 ml/kg/hr
What is the causitive agent for Atrophic Rhinitis in swine?
Bordetella bronchiseptica
Brucellosis may cause what in swine?
Abortion
Necro-hemorrhagic enteritis and hemorrhagic diarrhea are clinical signs of what disease in swine?
Clostridium perfringens type C
What disease in swine may caue anemia, pale mucous membranes, jaundice, staggering, paralysis, weak neonates, unthriftiness and reproductive failure?
Eperythrozoonosis