Animal health- Midterm 1.pdf - 1 Livestock management production systems Introduction Learning Outcomes INTRODUCTION looking at the livestock and

Animal health- Midterm 1.pdf - 1 Livestock management...

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1: Livestock management & production systems Introduction & Learning Outcomes INTRODUCTION - looking at the livestock and poultry production in Canada Canadian Dairy - Dairy= 2nd in revenue among all commodities (behind beef) had $6.6 billion in total net revenue from dairy alone - Canadian milk & dairy products are world-renowned for their excellence, variety and high quality have enforcement of strict quality standards on dairy farms & in processing plants strong commitment to sound animal welfare practices and environmental sustainability DAIRY PRODUCTION: THE BASICS - on farm: produce raw, fluid milk - cows are milked 2-3 times/ day - milk from each cow flows through a pipeline & pooled and stored in a large tank, called a bulk tank - Provincial dairy associations (ex: dairy farmers of Ontario) pick up the milk with large tanker trucks - quality of the milk stored in each farm’s bulk tank is assessed every time the milk is picked up at the farm sample is taken to evaluate the milks: - bacterial counts - presence of chemicals - presence of drug residues - somatic cell count - if the milk is passed for good quality, then it is picked up and trucked to 1 of 478 dairy processing plants in Canada here milk is processed from its raw form—> many di ff erent products and ingredients can simply be pasteurized, packaged & shipped to grocery stores for sale as fluid milk be turned into cheese, cream, yoghurt, butter, ice cream, etc. VIDEOS : 1. Free stall and robotic milking - claves born in calving pen and spend the first few hours of their life here - calves then moved to a pen where they stay for 60 days; fed milk (ex: automated feeder) - calves then moved in groups of 10 indoors to be fed grain - heifers bred at 13 months of age - when close to calving they begin milk production & milked 2x/ day - milkers follow a routine: disinfect & post-dip (to prevent mastitis) - at the end of milking, cows can leave on their own; information is collected on the milk production each quarter 2. Tie stall barn - after birth, cows are moved to hutches for 60 days - then moved to group housing where they stay until milking - milking machines are brought to cows & milk is then deposited into a milk tank large proportion of cows milked this way - uses sand bedding: comfortable & helps to prevent mastitis many use straw bedding - cows are often let outside on pasture - fed using a mixer - need enough feed to last through the winer; round hay bails FARMS, COWS & HEIFERS Canadian dairy industry : - over 10,000 farms - contains ~1 million dairy cows of 1 40
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- 435, 400 heifers - most of the dairy industry resides in Ontario & Quebec 82% of farms 70% of dairy cows - remaining countries all have small to moderate dairy industries - all are important to the dairy production in Canada MILK PRODUCTION & DAIRY PRODUCTS 2018 Canadian dairy industry : - produced 89 million hectolitres of milk - 30% produced was sold as fluid milk meaning 70% of the fluid milk produced was not sold as fluid milk - 70% remained= ingredient source to produce other dairy products MANAGING THE DAIRY SUPPLY -
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  • Fall '16
  • GoffandRitchie

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