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Lecture 9

AGRC 112 Lecture 9: Ag 112 lecture 9
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Department
Agriculture
Course
AGRC 112
Professor
Takaya Kunio
Semester
Winter

Description
Lecture 9 All in, All out system - Total depoluation and disinfection and repopulation rooms within a facility for defined groups of pigs as they move through the production process - You are managing the animals as a group - This reduced disease problems and the use of medication, and allows more closely tailored feeding practices Phased feeding programs - Diets are designed t the specific age of animals as a means of gaining more efficient use of feed - In a very homogeneous groups, 7-12 closely tailored feeding formulations may be used - There are many different phases of diets which are able to give the right diet to the piglets, the typical characteristic are high in milk solids, diary milk solids. High quality protein, and other very expensive diets. The components are gradually being phased out with other ones since they are so expensive and they don't need these the older they get Production schedule of a sow - Gestation length - 114 days - Lactation length - 21-28 days - Return to estrus - 5 days ( going back into heat) - Farrow to farrow - about 150 days - Cycles per year - 2.4 ( each sow will have 2.4 breeding cycles ) Production statistics and bench marks - Birth weight 0 0.8 - 1.2 kg - Pigs per litter - 11-13 - Pigs per litter born alive - 10-12 - Pigs per litter weaned - 9-11 - Litters per sow per year - 2.3 - 2.4 - Pigs weaned per sow per year - about 25 - Weight at weaning - 6-10kg - Age at 105kg - 140-160 days (It takes a year for a human infant to double its weight ) Green house gases - GHG Dairy industry emits 1kilo of carbon dioxide to 1 kilo of milk produced which is very low - there main diet is more grain which has more green house gases - New Zealand is the lowest - their main diet is grasses Green house gases and global warming - Green house gases consist of: - Carbon dioxide - Nitrous oxide - livestock production comes from manure and fertilizer in crops. Chemical nitrogen generated nitrous oxide that goes into the atmosphere - Methane - potent greenhouse gas. The most important source of methane is ruminants animals, animal manure. You can not
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