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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 |