Ag science preswex Word Scramble
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| Term | Definition |
| lactation period | 305 days |
| dry period | 2 months |
| hybrid vigour | crossbred offspring having improved characteristics above the average of its parents |
| Define BCS | measure of fat cover on an animal, scale 0-5 |
| BCS at calving | 3-3.5 |
| BCS at mating | 2.5 -3.0 |
| Qualitative milk tests | Delvo test, temperature |
| quantitative milk test | % solids, SCC, TBC |
| Characteristics of a good replacement heifer. | healthy udder, four teats, good feet, good condition score, breed, |
| Mastitis | Bacterial infection of the udder |
| gestation length of cow | 283 days |
| Oestrous of cow | 21 days |
| Colostrum | First milk, high in antibodies, fat %4-7, protein %14-16. |
| Jersey | low milk yield high solids content. |
| Holstein | high yields, low solids |
| jersey cross | intermediate yield and solids, better fertility |
| Factors that affect milk compsition | Age, stage of lactation, breed, milking interval, health |
| Contaminants of milk | Antibiotics, bacteria, excess water, somatic cells |
Created by:
mdoylepreswex
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