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Ag. Science
Definitions/ Numbers needed for leaving certificate Agricultural Science
| Term | Definition |
|---|---|
| BEEF - Recommended age at mating | 15 months |
| BEEF - Recommended body weight at mating | 300-350 kg |
| BEEF - Gestation | 283 days |
| BEEF - Oestrus | 21 days (18 hours standing heat) |
| BEEF - Dental formula | 0033 4033 |
| BEEF - Birth weight | 40 |
| BEEF - End of summer 1 | 90-100 |
| BEEF - End of winter 1 | 200 |
| BEEF - End of summer 2 | 275-300 |
| BEEF - End of winter 2 | 470-500 |
| BEEF - Finish weigh | 550-750 |
| DAIRY - Holstein milk produce | 5800 |
| DAIRY - Jersey | 3400 |
| DAIRY - Friesian | 5000 |
| DAIRY - Total Lactation Yeild | Daily Yield at peak X 200 |
| DAIRY - Dry Period | 60 days |
| DAIRY - Milk Percentages | Water - 87.8 Butterfat - 3.5 Protein - 3.2 Lactose - 4.7 Minerals - .8 |
| PIGS - Gestation | 114 days |
| PIGS - Oestrus | 21 days (2-3 days standing heat) |
| PIGS - Dental Formula | 3143 3143 |
| PIGS - Bonham weight | 1-1.5 |
| PIGS - Puberty | 6 months |
| PIGS - Weaners weight | Start 9 End 32 |
| PIGS - Finish weight | 100-140 |
| PIGS - Creep TEMP | 30 |
| PIGS - Dry Sow TEMP | 20 |
| PIGS - Farrow TEMP | 20 |
| PIGS - Weaner TEMP | 24 |
| PIGS - Fattener | 22 |
| SHEEP - Gestation | 147 - 5 months |
| SHEEP - Litter size | Vary 1,2,3 |
| SHEEP - Lamb weight | 3-5 |
| SHEEP - When is flushing | Before mating |
| SHEEP - When is Steaming Up | Before giving birth |
| Signs of good health | Animal is alert Has clear bright eyes No discharge in nose or mouth clean sleek coat Clean hind quarters Walks normal Breaths normal |
| Signs of illness | Animal is alone dull eyes Discharge from body No appetite Limping Rapid/ Laboured breathing Cough High heart rate Low levels of production |
| Describe Colostrum | A highly diegestable mineral, full of proteins, fats, & antibodies Works as a lax. Heats up body. Protects body Vital to get at least 2/3kg in 3 to 12 hours |
| Target weight for calves | 40kg at birth 72.5kg start of summer 200kg at winter 300kg at slaughter |
| Target weight for replacement heifers | 40/50kg at birth 72.5kg start of summer 450kg at winter 500kg at spring |
| Dry period | Lasts around 2 months. Used to revive cow and allow foetus to grow, & prevent mastitus. |
| Diseases - TB | Effects all ages Caused by Mycobacterium bovus Highly infectious Zoonose No prevention No cure |
| Diseases - Contagious Abortion | Caused by Brucella Abortis Affect animals abort foetuses at 5-7 months |
| Diseases - Mastitis | Bacterial Diesease in udder Infection through teat canaldue to bad hygiene Swelling of udder Prevention - Hygienic housing, wash the milking machine, replace rubber in machine,clean teats before/after milking, clean hands. |
| Diseases - Milk fever | Lack of calcium due to foetal growth, occurs also during early growth Causes spasms, tremors, separtion, unable to stand. Treated with Calciject Prevent by giving supplements |
| Diseases - Grass tetany | Occurs when animals are first turned onto grass that has low magnesium. Causes spasms and twitching Treated with Magneject. Prevent with mineral supplements |
Created by:
MarkA0845
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