16748718
Beschreibung
Mindmap von Roisin Reid, aktualisiert more than 1 year ago
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Erstellt von Roisin Reid
vor fast 6 Jahre
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Dairy Production
- Dairy Breeds
- Holstein Friesian
- British Friesian
- Montbeliarde
- Ayrshire
- Jersey
- Kerry Cow
- Norwegian Red
- Jersey x Holstein-Friesian
- Holstein Friesian
- Milk Composition
- Water (87.8%)
- Protein (3.2%)
- Butterfat (3-4%)
- Lactose (4.7%)
- Minerals (0.8%)
- Factors affecting milk composition
- 1. Breed
- 2. Animal Feed
- 3. Stage of Lactation
- 4. Stage of milking and
completeness of milking
- 5. Milking Interval
- 6. Age
- 7. Disease
- 1. Breed
- Water (87.8%)
- Milk Let-down
- N.B. Hormones -Oxytocin and Prolactin
- N.B. Hormones -Oxytocin and Prolactin
- Colostrum
- Cow produces it
for up to 5 days,
2-3L given to calf for
24hours
- Benefits
- Comparison
of colostrum
to normal
cow's milk
- Cow produces it
for up to 5 days,
2-3L given to calf for
24hours
- Lactation Curve
and Peak Yield
- A lactation curve plots milk
production of a dairy cow
over the course of her
lactation until she is dried
off.
- To calculate total lactation yield (kg):
Lactation yield x 200 (average mgmt)
- Peak Yield = 6 years,
declines thereafter
- Factors affecting milk yield
- 2. Age
- 1. Frequency of milking
- 3. Drying off
- 2. Age
- Late Lactation:
Dry-cow treatment
- A lactation curve plots milk
production of a dairy cow
over the course of her
lactation until she is dried
off.
- Milk Industry
- Creamery Milk Production
- Liquid Milk Production
- Creamery Milk Production
- Milk Hygiene
- Milk Tests (SCC, TBC, Temp, Sediment,
Antibiotics, Excess water
- Milk Tests (SCC, TBC, Temp, Sediment,
Antibiotics, Excess water
- Experiments
- Milk Solids
- Protein test
- Bacteria test
- Butterfat content (theory)
- Milk Solids
- Milking Parlour
- Herrringbone parlour
- Rotary Parlour
- Milking machine
- Herrringbone parlour
- Diseases
- Mastitis
(sub-clinical,
summer, clinical)
- Nutritional Scour
- Infectious Scour
- Viral pneumonia
- Ringworm
- Mastitis
(sub-clinical,
summer, clinical)
- Husbandry and
Management of a
Dairy Herd
- Timelines (spring
and autumn calving)
- Calving
- Mgmt and Hubandry
of newborn calf
- Weaning
- Mgmt during lactation
- Milking off her back
- Feeding in early lactation
- Heat detection in mid/late lactation
- Feeding mid/late lactation
- Milking off her back
- Timelines (spring
and autumn calving)
- Replacement Heifers
- Selecting replacement heifers
- Target weights at
different stages
- Bull selection for
replacement heifers
- Economic
Breeding Index
(EBI)
- Genomic selection
- Selecting replacement heifers
Medienanhänge
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