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165
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Undergraduate 1
11/02/2011

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Term
Enzymes
Definition

Organic Catalysts

Proteins in nature

 

Term
Heat to Enzymes
Definition
Destroys them
Term
Freezing Enzymes
Definition
Causes a cease in activity but does not destroy them
Term
Salivary Amylase
Definition
Startch-maltose
Term
Rennin
Definition
Secreted in stomach-Curdles milk
Term
Pepsin
Definition
protein--proteoses (IPBP), polypeptides and peptides
Term
Gastric lipase
Definition
Fat----fatty acid=Glycerol
Term
Pancreatic Amylase
Definition
Startch---maltose
Term
Trypsin
Definition
protein and IPBP----IPBP---Amino Acids
Term
Pancreatic Lipase
Definition
Fat--Fatty Acid, glycerol and monoglycerides
Term
Intestinal Peptidases
Definition
IPBP---Amino Acid
Term
Intestinal Maltase
Definition
Maltose--glucose
Term
Sucrase
Definition
Sucrose--glucose and fructose
Term
Lactase
Definition
lactose---glucose and galactose
Term
Bile
Definition
Secreted by liver stored in gallbladder bile salts--fat--soap and glycerol bile solvent for fat to be absorbed
Term
End products of digestion
Definition
form in which a nutrient must be converted in order for it to be absorbed from the digestive tract
Term
Nurtient: Protein
Definition
End product: Animo Acid
Term
Nutrient: Statch
Definition
end product: glucose
Term
Nutrient: Sucrose
Definition
End Product: Glucose and Fructose
Term
Nutrient: Lactose
Definition
End Product: Glucose and Galactose
Term
Nutrient: Cellulose
Definition
End Product: Organic Acid and Salts of organic acids
Term
Nutrient: Fats
Definition
End Product: Fatty Acid and Glycerol
Term
Nutrient: Vitamins
Definition
end product: any soluble form
Term
Nutrient: Minerals
Definition
End product: Any soluble form
Term
Nutrient Absortion
Definition

o   The movement of the end product of digestion from the digestive tract into the blood and/or lymph system

Term
Cellulase
Definition
enzyme that breaks down cellulose
Term
Digestive Juices
Definition

o   Fluid materials secreted into the digestive tract by glands or tissues along the digestive tracts

Term
Salvia-juices are
Definition
Amylase, Maltase
Term
Gastric Juice
Definition
Rennin, Pepsin, Lipase, HCL
Term
Bile juices
Definition
secreted by liver, fat---fatty acid and glycerol
Term
Pancreatic Juice
Definition
Trypsin, amylase, lipase
Term
Absortion is accomplished by:
Definition

·         process of osmosis through the semi-permeable membranes which line much of the digestive tract

Term
Intestinal Juice
Definition
Peptidase, maltase, sucrose, lactase
Term
Changes to absorb food is called
Definition
digestion
Term
Food is mostly soluble in what:
Definition
H2O
Term
Mechanically
Definition
Mastrication or chewing and churning action of stomach
Term
What are the three enviornmental factors?
Definition
Feeding, Management, Disease
Term
Chemically
Definition
Enzymes of the digestive juices
Term
Roughage to grain is called
Definition
rumerage
Term
Bloat
Definition
digestive condition; stress on vital organs (gas build up); can be fatal
Term
The reticulum
Definition
is a small pouch at the font of the rumen that assists with the mixing action of the rumen. The reticulum is often called the honeycomb because of the configuration of the inner lining.
Term
Crossbreeding
Definition
the mating fo animals of different breeds
Term
The omasum
Definition

·         has many folds, and is called the manyplies. This small round organ is hard to tough and is located on the right side of the animals. The major function of the omasum is not known but there is some grinding action and water absorption at this site

Term
the obomasum
Definition
true stomach, corresponds to the monogastric stomach, and is similar in features and functions
Term
the cud is
Definition
chewed and swallowed
Term
The process of swallowing cud 
Definition
ruminating
Term
Outcrossing
Definition
the mating of animals of the same breed that shows no relationship close up in pedigree (1st generation)
Term

·         The main functions of the microorganisms in the rumen are:

Definition

o   Convert large amounts of starch and cellulose to volatile fatty acids as sources of energy

o   Convert both performed protein and nonprotein nitrogen to microbial protein, which serves as a source of protein containing all the essential amino acids for the host

o   Synthesize vitamin K and all of the B vitamins

Term
Feedstuffs
Definition

§  Cereal grains

·         Corn

·         Barley

·         Wheat

·         Oats

Term
Animal Proteins
Definition

·         Tankage

o   Blood, by products from slaughter houses

o   Animal residues that remain after rendering fat in a slaughterhouse, used for fertilizer or feed.

Term
Plant Proteins
Definition

·         Soybean meal

·         Cottonseed meal

·         Linseed meal

·         Peanut butter

Term
Grading up
Definition

o   the mating of purebred sire to grade or native females

Term
Roughage
Definition
hay, silage, forage
Term
Cows eat how many pound per day
Definition
20 pounds
Term
A bale of hay weight how much
Definition
60 pounds
Term
Fallopian tube, oviduct or uterine tube
Definition

1.transport the ova from the ovaries to the uterus

2. Transport sperm cells

3. is the place where fertilization occurs

4. where early embryotic development occurs

Term
Chyle
Definition
milky substances found in the lymphatic system after digestion
Term
In non-ruminants most nutrient absorption takes place where?
Definition
Small and large intestines
Term
Where does absorption takes place in where in ruminants?
Definition
Rumen
Term
The end products of digestion are absorbed into the blood stream
Definition

Except fat digestion

and Fat soluble vitamins

Term
Nutrient Transport
Definition

o   The movement of nutrients from the point of absorption to the point of utilization

Term
Mature animals must have
Definition

o   1. Heat to maintain body temperature

o   2. Sufficient energy for the internal work of the body and the minimum movement of the animal

o   3. Nutrients to repair body tissue (proteins, vitamins, minerals)

Term
Conditioning young growing animals require 
Definition

o   ample protein, minerals, and vitamins are essential as well as more Carbohydrates and fats

Term
The basis for profit 
Definition
has to be regular and normal reproduction
Term
What percentage of dairy cows culled is due to reproductive inefficacy?
Definition
20-50%
Term
What percent of EWES are sterile?
Definition
5%
Term
What part of pregnancy has the most fetal growth?
Definition
Last 1/3
Term
Overfeeding/Underfeeding is?
Definition
undersirable
Term
Enviormental factors?
Definition

·         - determine the extent or degree of expression of the genetic makeup

Term
What are the systems breeding?
Definition
Pure breeding, inbreeding, outcrossing, crossbreeding, grading up
Term
Pure breeding
Definition
mating of animals belonging to the same breed.
Term
Inbreeding
Definition

o   the breeding of closely related individuals 

Term
Close breeding
Definition

§  sire x daughter, son x dam, brother x sister (siblings)

Term
Line breeding
Definition
half-sibs, cousins, grandsire, granddaughters
Term
Methods of selection in livestock
Definition

1. based on type and individuality

2. Based on pedigree

3. Based on show ring winnings

Term
Selection based on type and individuality
Definition
Animals selected on the ideal or standard of perfection
Term
Selection based on pedigree
Definition
considers ancestry in selection
Term
Selection based on show ring winnings
Definition
selecting winners at livestock shows and fair
Term
Types of cattle
Definition
Dairy cattle, dual purpose, draft
Term
Types of hog
Definition
meat and lard
Term
Selections based on production testing measures?
Definition
individual characteristics
Term
Systems of selection
Definition
maximizes progress over a period of several years
Term
Tandem
Definition
select for one trait at a time, until the desired improvement is reached
Term
Selection index
Definition
combined all traits into one overall value or index
Term
Testis
Definition
produces spermatozoa and androgens (male sex hormone)
Term
Scrotum
Definition
supports the testicals, controls the temp. of testicles, and  provide protection of the testicles
Term
spermatic cord
Definition
supports the testicles, helps control the temp of the testicles
Term
Epididymis
Definition
concentration of spermatozoa, storage of the spermatozoa, maturation of spermatozoa, transportation of spermatozoa
Term
Vas Deferens
Definition
Transport of spermatozoa
Term
Urethra
Definition

transport semen

Exit site for urinary product

Term
Seminal Vesicles (Vescular Glands)
Definition
Contributes fluid, energy substance and pH buffers to the semen
Term
Prostrate gland
Definition
contributes fluid and inorganic ions to semen (Ma, Cl, Mg)
Term
Sigmoid Flexure
Definition
part of the penis that straightens causing an erection because blood is pumped into the chambers of the penis
Term
Retractor muscle
Definition
after copulation this muscle contracts the sigmoid flexure which retracts the penis into the protective sheath
Term
Penis
Definition
carry sperm cells into female
Term
Ovaries are found in the:
Definition
abdominal cavity near the kidneys
Term
Ovaries functions:
Definition

1.They are source of the ova or egg

2. They are concerned in the production of ovarian hormones, estrogen and progesterone

Term
Infundibulum
Definition

Pick up ova

directs ova into the oviduct

Term
Uterus
Definition

1. transport sperm cells under the influence of hormones and muscular contractions

2. Is the home for the fetusduring most of the gestation period where fetal development takes place

3. Implantation and establishment of the placenta

4. Paturition (expulsion of fetus)

Term
Cervix
Definition

1. transport sperm cells

2. acts as a barrier during pregnancy so that pathogens cant gain entrance to the fetus

3. The cervix dilates (widens beyond normal limits) to allow the fetus to be expelled from the reproductive tract

Term
Vagina
Definition

1. A receptable site for the penis 

2. Site for semen deposition

3. Partution-birth canal

Term
Vulva
Definition

1. Entrance to reproductive tract for semen desposition

2. Exit for urinary products

3. Parturition

Term
Copulation
Definition
the act of mating
Term
Sperms is deposited in the vagina in a fluid called?
Definition
Semen
Term
Where do the egg and sperm meet?
Definition
Fallopian tubes
Term
Puberty
Definition

1. When the female comes into heat and ovulates

2. Males puberty is attined when the male ejaculates visable sperm cells

 

Term
Libido
Definition
When the animal is interested in the breeding with the female
Term
Where does the fertilized egg go to?
Definition
The uterus
Term
Growth and development beings where?
Definition
attached to the uterine wall
Term
Estrus
Definition
(Heat) period of sexual acitivy
Term
Estrous
Definition
cycle
Term
Superovulation
Definition

more eggs than you would normally ovulate

1. female controls breeding process

2. Takes 2-3 days for a female to breed (4-6 for horses)

Term
Gestation preiod for sheep:
Definition
148 days
Term
Gestation for horses:
Definition
336 days
Term
Gestation days for cattle:
Definition
283 days
Term
gestation days for pigs:
Definition
114 days
Term
AI- Artifical Insemination
Definition
The deposition of spermatozoa in the female genitalia other than by natural means
Term
Advantages of AI
Definition

1. Use of outstanding sire

2. It alleviates bother of keeping a sire

3. May lessen sire cost

4. helps control disease

5. delays through using sterile sires

Term
disadvantages of AI
Definition

1. requires skilled technicians

2. require heat detection or synchronization

3. may restrict sire market

4. require restraining facilities and other facilities and equipment

Term
FSH is for
Definition
growth and developmetn
Term
LH is for
Definition
ovulation
Term
Digestive tract
Definition
a passage from the mouth to the anus through which feed passes 
Term
Digestive tract contains
Definition

1. mouth

2. esophagus

3. stomach

4. Cecum

5. large intestines

6.anus

 

Term
Ruminant (stomach process)
Definition

 

5a. rumen or oaunch

5b. reticulum or honeycomb or waterbug

5c. Omasun or manyplies

5d. Abomasum or true stomach

Term
Ruminants:
Definition

ruminate or chew cud

compartmental stomach 

microorganisms aid in digestion

can digest high fiber feed

fee rations higher in fiber

 

Term
Non-ruminants (hog, horse) 
Definition

Single compartment stomach

digest fiber poorly

horse may utilize high fiber feeds because of my microorganisms in cecum

don't chew food

Term
Ruminante process
Definition

1. regurgitate

2. remastercate

3. reinsolivate

4. reswallow

Term
4 compartments of ruminant stomach
Definition

rumen, reticulum, omasum, abomasum

 

Term
The rumen is
Definition
a large fermentation vat in which bacteria and Protozoa break down roughage to obtain nutrients for their own use
Term
The microorganisms digest what?
Definition
cellulose, can synthesize amino acids from any nitrogen source and can synthesize the B-complex vitamins.
Term
Rumerage
Definition
roughage to grain
Term
Bloat
Definition
Digestive condition; stress on vital organs (gas build up); can be fatal
Term
When the microorganism reach the small intestine they?
Definition
are digested to provide there nutrients to the host animal (cattle. sheep, and goat)
Term
Where is the rumen located?
Definition
the left side
Term
How much can the rumen hold?
Definition
40 gallons in mature cattle
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