exam 2 quiz material Flashcards
T/F The porcine reproductive and respiratory syndrome (PRRS) virus can spread through a pig’s feces
true
T/F Atrophic rhinitis (AR) causes inflammation of a pig’s joints.
false
T/F Atrophic rhinitis (AR) causes inflammation of a pig’s joints.
false
T/F Pseudorabies has been eradicated from U.S. domestic swine populations
true
T/F Gertrude the gilt has lice. Gertrude can pass that lice infection onto the veterinarian that treats her.
false
T/F Exudative epidermitis is usually seen in nursing pigs.
true
T/F The mycotoxin Aflatoxicosis causes gilts to have swollen and red vulvas.
false
T/F Swine influenza virus is most common during summer months.
false
T/F Porcine epidemic diarrhea (PEDV) causes_______ mortality in pigs less than two weeks of age.
high
________is the most costly swine disease to U.S. producers annually.
Porcine Reproductive and Respiratory Syndrome (PRRS)
A gestating sow is consuming a high wheat, low protein, finely ground diet. This sow is at risk of developing ________________
gastric ulcer
A finishing pig is being fed a diet high in brewer’s yeast and he has been coughing for the past two weeks. This finishing pig is at risk of developing _______________
Rectal prolapse
__________________ is a viral disease that is spread by direct contact, ticks, and feeding contaminated pork products to pigs. Affected pigs have black lesions on their ears, legs, and tail. Pigs also have fever, diarrhea, abortion, and high mortality rates.
African Swine Fever
__________________ is a viral disease that is spread by direct contact, ticks, and feeding contaminated pork products to pigs. Affected pigs have black lesions on their ears, legs, and tail. Pigs also have fever, diarrhea, abortion, and high mortality rates.
African Swine Fever
___________ are required for toxoplasma gondii parasite to complete its entire lifecycle.
cats
In addition to a red diamond shaped rash on the skin, pigs with erysipelas may also have a _______________
fever
You recently visited Mexico. When not laying on the beach drinking margaritas you visited a swine farm where you noticed several young pigs had blue eyes, laying on their side paddling and experiencing muscle tremors. These Mexican pigs had ____________
porcine rubulavirus (blue eye disease)
The white scar tissue caused by large roundworms in the liver is called
milk spots
The white scar tissue caused by large roundworms in the liver is called
milk spots
After penetrating the intestinal wall, large roundworm larvae first invade the pig’s _________
and then migrate via the bloodstream to the pig’s ____________
liver
lungs
are zoonotic diseases that humans can contract from pigs.
Swine flu
Ringworm
Leptospirosis
Streptococcal infections
Swine influenza virus
Mange
Erysipela
are diseases that can cause abortions in pregnant sows.
PRRS
Swine flu
Lepto
African swine fever
Blue eye disease
Pseudorabies
Aujeszky
PPV
Erysipelas
In boars what hormone is responsible for starting spermatogenesis?
FSH
Released by the hypothalamus, the hormone ________triggers the release of hormones from the pituitary gland.
GnRH
In a sow’s cervix the mucus is thick when levels of the hormone ___________ are high
progesterone
T/F In boars the most mature motile sperm are located in the tail of the epididymis.
true
What sow reproductive part is being described below?
Site of fertilization.
Ampulla of the oviduct
What sow reproductive part is being described below?
Site of sperm deposition.
cervix
What sow reproductive part is being described below?
A blister-like structure on the ovary that produces progesterone.
Corpus luteum
What sow reproductive part is being described below?
Site of embryo implantation.
Uterine horns
What sow reproductive part is being described below?
Site of egg and hormone production.
Ovary
What sow reproductive part is being described below?
External genital which in gilts reddens when in estrus.
Vulva
What boar reproductive part is being described below?
Site of sperm and hormone production.
Testicles
What boar reproductive part is being described below?
Relaxation of this part allows the penis to extend outside the boar’s body.
Sigmoid flexure
What boar reproductive part is being described below?
Transport for both sperm and urine.
urethra
What boar reproductive part is being described below?
In cold weather this part contracts pulling the testicles closer to the boar’s body.
Tunica dartos
What boar reproductive part is being described below?
Cools arterial blood entering the testicles. Is part of the spermatic cord.
pampiniform plexus
What boar reproductive part is being described below?
Produces most of the volume found in boar semen.
Seminal vesicles
When looking at a boar’s testicles the________ of the epididymis is at the bottom of the testicle (closet to the ground).
head
The scrotum keeps the boar’s testicles_________than his body.
cooler
T/F The mesometrium is part of the uterus in sows.
false
T/F The sow’s cervix is primarily composed of connective tissue.
true
T/F The sow’s perimetrium is primarily composed of glandular tissue
false
The most telling sign that a sow is in estrus is standing heat. What are two other physical signs a sow in estrus will exhibit?
Red, swollen vulva
mucus discharge
Sows return to estrus every _____days.
21
When performing artificial insemination on a sow the catheter should be pointed ______when inserted in the vagina to avoid contact with the
_________
upward
bladder
At Thomas’s Tamworth Farm, gilts and sows are heat checked twice daily. A sow is found in heat on March 3 at 6:00PM. When should she be bred, if inseminated twice?
march 4 6pm
march 5 6am
When baby pigs are weaned off of a sow the hormones __________________increase in the sow, causing the sow to come back into estrus.
LH
FSH
Sows are in estrus for a ___________time period than gilts.
longer
Which gilt will reach puberty the earliest? All unstated factors are identical
sow exposed to 5 hours of light or 12 hours
12 hours
Which gilt will reach puberty the earliest? All unstated factors are identical
individually housed
group housed
group
Which is not an abnormality seen in boar sperm?
Detached heads
Broken tails
Coiled tails
Giant heads
Cytoplasmic droplets
all are abnormalities
T/F Heat checking should be done in the presence of a mature boar.
true
Which boar would produce less sperm? All unstated factors are identical.
85 degrees
65 degrees
85 degrees
To synchronize estrus in prepuberal gilts which product(s) can be used effectively?
PG600
The__________of a boar’s testicles is related to how much sperm he will produce.
weight
T/F Pooled semen is lower in cost then semen from a particular boar.
true
T/F Extended boar semen should be stored in a well-lit location.
false
T/F The pre-sperm portion of a boar’s ejaculate is a creamy/white color.
false
T/F The gel portion of a boar’s ejaculate contains sperm.
false
T/F Latex gloves are acceptable for sperm collection.
false
T/F Extended boar semen should be stored at 60 degrees Fahrenheit.
true
When collecting a boar for artificial insemination, the __________ must be vigorously massaged prior to collecting and the hair surrounding this part should be trimmed frequently.
prepuce
