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19 Cards in this Set
- Front
- Back
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Define ruminant |
Animals that chew their cud And order of animal with a stomach containing 4 cavaties |
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4 common dairy breeds? |
Holstein Jersey Ayrshire Guernsey |
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What breed produces the most milk? Fat? |
Milk - Holstein Fat - jersey |
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Most common dairy breeds? 2ndmost common? |
Holstein , jersey |
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Which ruminant industry has a supply management (quota) system in place, Canada or the US? |
Canada |
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What is ... 1. Fresh cow? 2. Dry cow? 3. Heifer? 4. Freshening? 5. Stale cow? 6. Open cow? |
1. Cow that was just calved 2. Not lactating 3. Young female cow that has not borne a calf 4. Calving/paturation 5. Long time in lactation (with many days open) 6. Not pregnant |
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What is a transition cow? |
3 weeks before calving (to 3 weeks post) |
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What is and how long is a typical dry period? |
Period of time before next lactation (~2 months) |
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Gestation |
Length of time from conceiving to calving |
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What time of year do beef cows calve? Dairy calves? |
Beef : early spring Dairy : all year round, non seasonal |
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Primary goal of dairy farmer? |
Produce milke |
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How do dairy farmers meet the goal? |
Follow patterns and make sure they are impregnated at the right time. |
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Conception rate of average dairy cow |
Less than 50% It is the % chance they can be Impregnated |
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Difference between PR and CR |
Pregnancy rate and conception rate PR = CR * HDR (heart detection rate) |
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How is manure managed in a freestall? Tiestall? |
Free stall: scalers and slats, bedding of mats, sawdust or sand, foot baths to avoid strawberry foot Tie stall: gutter cleaner, bedding (same^) |
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Is papillomatous interdigital dermatitis contagious? |
Yes, a contagious foot disorder |
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How is strawberry foot managed/treated/prevented |
Prevented with manure management and foot baths Can become very prevelant in a herd and cause lameness and reduced milk production Tetracycline bandages for individual cases (topical) |
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What is TMR? Advantages? Disadvantages? |
Total mixed rations
Ad: not getting bolus of high energy feeds, all Forage mixed together, animal can still sort Dis: need capable equipment to prepare, time of mixture is important, can't feed to individual needs all cows get the same mixture (can't feed to specific BCS) |
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How often should foot trimming be done in a dairy cow? |
T |
