Dairy Production

Beschreibung

Sixth year Agricultural Science Mindmap am Dairy Production, erstellt von Roisin Reid am 11/02/2019.
Roisin Reid
Mindmap von Roisin Reid, aktualisiert more than 1 year ago
Roisin Reid
Erstellt von Roisin Reid vor mehr als 5 Jahre
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Zusammenfassung der Ressource

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

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