sheep and goats Flashcards
Order for sheep and goats?
Artiodactyla
Scientific name of sheep
Ovis ares
Scientific name of goats
Capra hircus
Scientific name of beef cattle
Bos taurus
Scientific name of zebu cattle
Bos indicus
Main use of medium wool breeds
meat sheep
Southdown, suffolk, and hampshire are examples of what?
meat or medium wool breeds of sheep
Toggenburg, La Mancha, and Saanen are examples of what?
dairy goat breeds
Kiko, boer, and pygmy are examples of what?
meat breeds of goat
Holstein-Friesian, jersey, and brown swiss are examples of what?
dairy cattle breeds
Which of the following breeds may have a red and white mottled coat color?
a. Jersey
b. Ayrshire
c. brown swiss
d. guernsey
e. holstein
f. all of the above
g. ayrshire, guernsey, and holstein
h. ayrshire and guernsey
g. ayrshire, guernsey, and holstein (there are red and white holsteins)
Angus, hereford, and simmental are examples of what?
beef cattle breeds
What areas of research are sheep used in?
production ag
cardiac
reproductive techniques
genetics
Is the polled trait dominant or recessive in goats?
dominant
How does the polled trait relate to hermaphroditism in goats?
Sex-linked recessive trait associated with the polled gene that results in intersex offspring when they are homozygous
What are nubian goats a model for?
beta mannosidosis
How many chromosomes do sheep have?
54
What breed of sheep is a model of congenital thyroid goiter?
merino
Corriedale sheep are a model of what disease?
Dubin-Johnson syndrome (congenital hyperbilirubinemia d/t hepatic organic anion excretory defect)
Dubin-Johnson syndrome (congenital hyperbilirubinemia d/t hepatic organic anion excretory defect) is found in which breed of sheep?
corriedale
Southdown sheep are a model for what disease?
Gilbert’s syndrome (congenital hyperbilirubinemia d/t hepatic uptake defect)
Gilbert’s syndrome (congenital hyperbilirubinemia d/t hepatic uptake defect) is found in which breed of sheep?
southdown
Rambouillet are a model for what disease?
gamma-glutamyl carboxylase deficiency (see decreased vit K coagulation factors)
Dorset are a model for what disease?
glucose-6-phosphate dehydrogenase deficiency (x-linked recessive)
suffolk sheep are a model of what disease?
GM1 gangliosidosis
Fainting goats are a model for what disease?
inherited caprine myotonia congenita (Thomson’s disease)
A newborn Nubian kid goat from an inbred research herd presents for inability to rise and a mildly domed skull. What is your primary differential?
beta mannosidosis (lysosomal storage disease)
A 6 month old suffolk sheep presents for gradually worsening ataxia over a period of 1-2 months. What congenital disease should be on your differential list?
GM1 gangliosidosis (lysosomal storage disease)
What areas of research are goats used in?
antibody production immunology mastitis, nutrition, parasitology genetic diseases osteoporosis
Inherited cardiomyopathy and leukocyte adhesion deficiency syndrome are congenital disorders present in what breed of cattle?
holstein
Lipofuscinosis is found in what breed of cattle?
Ayrshire
Glycogenosis is found in what breeds of cattle?
Shorthorn
Brahma
Hemochromatosis and beta mannosidosis are congenital disorders found in what breed of cattle?
Salers
A holstein calf presents for exam due to lack of weight gain and apparent growth stunting. She has a history of recurrent pneumonia as a calf and currently has marked neutrophilia on bloodwork. What congenital condition should you have on your differential list?
bovine leukocyte adhesion deficiency
What are the 6 most important things to screen sheep for?
(1) Coxiella burnetii
(2) Contagious ecthyma
(3) Caseous lymphadenitis (CLA)
(4) Johne’s disease
(5) Ovine progressive pneumonia (OPP)
(6) Parasites
At a minimum, what should sheep be vaccinated against?
Tetanus
Clostridial disease
What are the 6 most important things to screen goats for?
(1) Coxiella burnetii
(2) Caprine arthritis encephalitis (CAE)
(3) Brucellosis
(4) Tuberculosis
(5) Johne’s disease
(6) Parasites
What dry bulb temperatures are recommended for farm animals and poultry?
61-81F
How much space is required for a single sheep weighing <25kg?
10ft2
How much space is required for a single sheep weighing <50kg?
15ft2
How much space is required for a single sheep weighing more than 50kg?
20ft2
How much space is needed for each pair-housed sheep weighing <25kg?
8.5ft2
How much space is needed for each pair-housed sheep weighing <50kg?
12.5ft2
How much space is needed for each pair-housed sheep weighing more than 50kg?
17ft2
How much space is needed for each sheep in a flock of 5+ weighing <25kg?
7.5ft2
How much space is needed for each sheep in a flock of 5+ weighing <50kg?
11.3ft2
How much space is needed for each sheep in a flock of 5+ weighing more than 50kg?
15ft2
T/F: BUN is a good indicator iof renal function in ruminants.
F- metabolism of urea nitrogen by rumen microflora alters this assay
What type of sheep are the most gregarious?
fine-wooled breeds
What type of sheep are often solitary?
long-wooled breeds
T/F: To restrain sheep, it is ok to hold them by the wool.
F- this can damage both the wool and the underlying skin
What is the biggest risk of using chain link fencing with sheep and goats?
Horns or feet getting c aught
What are the parts of the stomach in ruminants?
rumen, reticulum, omasum, abomasum (ROAR)
What is the true stomach in ruminants?
abomasum
What volatile fatty acids are produced in the rumen?
acetic, propionic, butyric acid
What is the main source of energy in ruminants?
volatile fatty acids (propionic acid, not glucose)
In what tissues does lipogenesis occur in sheep?
adipose and mammary tissue (not liver like other species)
By what process do neonates absorb intestinal Ig in colostrum?
pinocytosis
What are hemal lymph nodes?
small nodules associated with blood vessels that contain RBCs in sheep and deer
Is a surgical adrenalectomy possible in sheep?
No- they have accessory adrenal tisuse interspersed throughout the abdomen
What type of placentation do ruminants have?
epitheliochorial cotyledonary
What are the infolded functional unit of the placenta called?
placentome