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Animal Science
quiz 5/17/17
| Question | Answer |
|---|---|
| animals that are polled have no what? | horns |
| who invented the Punnett Square? | Reginald Punnett |
| Who worked with the punnett square? | Gregor Mendell |
| what is a dominant trait? | in genetics, a trait that will appear in the offspring if one of the parents has it |
| what is a recessive trait? | a trait that must be contributed by both parents in order to appear in the offspring |
| what is genotype? | set of genes for DNA; genetic makeup |
| what is phenotyoe? | the physical expression/characteristics |
| what does registered mean? | the animal is recored with a breed association; has papers |
| pedigree is | the record of descent of an animal, showing it can be purebred |
| crossbreeding is | producing a hybrid animal or plant by breeding two animals or plants of different species or varieties ; make strong traits |
| why would you purposely inbreed their herd? | to seek a trait they wish to promote and regain lost traits |
| what does grade of meat mean? | a purebred that does not have papers |
| tapit's stud fee | $300,000 |
| yearlings from Tapit were sold for | $500,000 to $1 million |
| three examples of monogastric livestock | pigs, chickens, horses |
| three examples of ruminant livestock | cattle, sheep, goat |
| the purpose of the rumen | has microbs that break down food, largest part |
| purpose of the reticulum | filters out waste |
| purpose of the omasum | strong muscled organ |
| purpose of the abomasum | break down food with stomach acid |
| purpose of protein in livestock feed | grow new tissue and repair old tissue in an animal |
| purpose of carbs in livestock feed | provides energy |
| purpose of fats in livestock feed | provide energy; 2.25x energy of carbs |
| function of minerals in livestock feed | to prevent poor reproductive traits; extra things you may need to add |
| three bodily functions that livestock use water for | -regulate the animals body temp -eliminates waste -digests nutrients |
| water has to be | cool, clean, good |
| why can you feed cows skittles | they have ruminant stomachs |
| legume | plant that takes in nitrogen from the air |
| Fistyla | artificial hole in the stomach and allows one to study digestion |
| 2 main sources of protein | animal based and plant based |
| animal based protein examples | fish meal, tankage, animal by product |
| plant based protein examples | soybean oil meal, peanut hulls/peanut butter, alfalfa meal, cotton seed meal |
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