A | B |
Cattle were first brought to the United States by: | Christopher Columbus in 1493 |
Swine were first domesticated around 4900 B.C. by the: | Chinese |
Which is NOT correct about livestock classified as mammals? warm blooded, diaphram between chest and abdominal cavities, thee chambered heart, mammary glands | Three chambered heart |
According to USDA agricultural statistics, the average consumption of beef per year per person in the United States is: | 60 pounds |
Which of the following states produces the most swine? Kansas, North Carolina, Ohio, Oklahoma | North Carolina |
Which of the states listed has the highest total of cash receipts from livestock? Alabama, California, Colorado, Wisconsin | California |
Which bone is a part of the pelvic limb in the skeletal system of livestock? | Tibia |
Vetebra bones ar classified as: | Irregular |
The bones in the front legs of an animal make up the: | Pectoral limbs |
Air is drawn into the respiratory system through the: | Nostrils |
The kidneys and bladder are major components of the: | Urinary system |
The digestive system in swine begins with the: | Mouth |
In cattle and sheep the rumen and reticulum make up what percent of th stomach? | 85 |
Which division of the ruminant stomach is the true stomach? | Abomasum |
The key to absorption is the small finger like projections on the walls of the small intestine called: | Villi |
Feed nutrients made of sugars and starches are: | Simple carbohydrates |
Which amino acid is classified as essential for swine? | Lysine |
Which feed nutrients have the highest energy value? carbohydrates, fats, proteins, minerals | Fats |
Which vitamin will dissolve in water? | Vitamin C |
A deficiency of what mineral in baby pig rations will cause anemia? | Iron |
Which of the following minerals is classified as a trace mineral? calcium, phosphorus, potassium, salt | Potassium |
Which feed nutrient is the most important on a daily basis for livestock? energy nutrients, proteins, vitamins, water | water |
When trying to control worm infestation in livestock, which feed additive would be incorporated into the ration? | Anthelmintics |
The length of time an implant is effective is related to: | Proper technique in applying |
Livetock feeds that contain more than 18 percent crude fiber when dry are called? | roughages |
Protein supplements are livestock feeds containing what percent protein? | 20 or more |
A ration that taste good to the animal which promotes consumption is said to be: | palatable |
The primary use of the nutrients in a ration for livestock is: | maintenance |
What is step 1 in balancing a ration for livestock? | Identifying the kind, age, weight, and function of the animal |
A maintenance ration for beef cattle is primarily: | roughages |
The diploid number (number of pairs of chromosomes) for swine is: | 19 |
What occurs when a sperm cell from th male reaches an egg cell from the female? | fertilization |
The charactristics of an animal that are inheritable are passed from one generation to the next by: | Genes |
The average length of the estrus cycle for sheep is: | 16 days |
The average length of estrus in cattle is: | 16-18 hours |
The length of gestation for swine is: | 114 days |
The process of giving birth to a new animal is: | Parturition |
The first successful cloning of livestock was done in 1996 with: | sheep |
The mating of animals of different families within the same breed is: | outcrossing |
What is the most common disqualification in rules for registering livestock in a breed association? | color markings |
When judging market class steers, what term is used to describe the amount of fat cover on the animal? | finish |
Which judging term refers to the general structure and proportion of the animal's body? | balance |
The typical market hog will produce a carcass weighing: | 184 pounds |
According to the National Pork Producers Council, the goal for ideal market hogs is to have a minimum loin muscle area of: | 6.5 square inches |
When using performance data in judging hogs, which is NOT on of the indexes used as an EPD (Expected Progeny Differences)? Feed Efficiency Index, Maternal Line Index, Sow Productivity Index, Terminal Sire Index | Feed Efficiency Index |
A visual evaluation of the amount of muscle on a hog is best seen by looking at which view of the hog? | rear |
Which classes of sheep ar bred primarily for meat? | Medium Wool breeds |
The most commonly used method of classifying sheep is by: | type of wool |
Sheep are a major livestock enterprise in which area of the United States? | Western range |
Sheep death loss from animal predators account for what percent of th total losses from all causes? | 40% |