12 quy tắc vàng cho quá trình hút sữa các bạn ngành nông nghiệp chăn nuôi bò sữa nên biết. Các quy tắc này hướng dẫn cách thao tác và xử lý các vấn đề thường gặp phải trong quá trình vắt sữa cũng như các bước hậu vắt sữa
12 Golden Rules of Conventional Milking Before milking Monitor udder health regularly 1 the right Follow Milking order Always Foremilk Clean and/or disinfect Teats before milking During milking Sec Check Milking Vacuum Attach milking cluster in time Avoid overmilking Detach milking Cluster correctly After milking 0.9 Disinfect teats Immediately 10 Clean/disinfect milking equipment 11 Ensure proper Milk cooling Always use disposable gloves – always ensure disposable gloves are clean 12 Regularly monitor Milking results 12 Golden Rules of Conventional Milking —in detail Before milking During milking After milking Monitor udder health regularly • Always use disposable gloves and always ensure they are clean • Check udder health regularly; first check fresh first-calf heifers and cows 1–2 weeks after calving (use Delaval’s California Mastitis Test CMT, DeLaval Cell Counter DCC, Herd Navigator HN, etc) • Regularly review the dairy processor info on milk quality • Keep record of udder health results for each cow • Always keep milk of identified sick cows separate Check Milking Vacuum • Always check the milking vacuum at the start of each milking • Vacuum level, pulsation rate and pulsator ratio should be in accordance with DeLaval recommendations Disinfect teats Immediately • Always use disposable gloves and always ensure they are clean • Dip or spray teats as soon as the milking cluster has been removed • Use an approved post milking teat disinfectant as this is the most effective way to prevent the spread of mastitis • Keep the cows standing up for 30 minutes after milking Attach milking cluster in time • Always use disposable gloves and always ensure they are clean • Always make sure to clean or, when necessary, disinfect clusters in between cows • Attach milking cluster within 60 sec after teat preparation • Avoid air entry during cluster attachment Follow the right Milking order • First start with milking healthy cows and • Check cluster positioning healthy first calvers • Make sure that long milk tubes are • Follow by fresh milking cows and first aligned with pulse tube, avoiding twisting of tubes calvers—until they are checked for udder health status • Always milk older and sick cows last or Avoid over-milking milk in a separate group • Watch the milking process during milking; don’t anything else Always Foremilk • Over milking could damage teat ends • Identify the end of milking; by direct • Always use disposable gloves and always ensure they are clean observation of milk flow; or via flow • Never strip milk onto the floor sensors in case of automatic cluster removal • Strip 2–3 milk jets from each teat into a foremilk or strip cup • Examine the milk for flocculation, colour Remove clusters correctly • Always use disposable gloves and changes or other inconsistencies always ensure they are clean • Always keep abnormal milk separate • Foremilking also stimulates the milk let- • Shut off vacuum to the cluster when milking completed (manually or down automatically) • Allow claw vacuum to decline fully Clean and/or disinfect Teats before before removing cluster milking • Do not squeeze the udder • Always use disposable gloves and always ensure they are clean • Take off cluster after vacuum shut-off • Clean each teat and teat end, preferably using an approved pre-milking teat cleaner • When pre-milking teat disinfection is allowed: use approved pre-milking teat disinfectant and wait 30 sec before removing • In all case use disposable paper or udder towels to clean off and carefully dry each teat properly • Never use paper or towels for more than one cow Always use disposable gloves – always ensure disposable gloves are clean 10 Clean/disinfect milking equipment • Clean outside milking units and all surfaces in the parlour • After each milking rinse and clean internal milking system, either manually or automatically • Use approved detergents, following dosing, routine and temperature instructions on the label • When required disinfect the milking system using approved sanitizers, following label instructions • Remove clusters from cluster cleaners and allow milking system and milking units to dry 11 Ensure proper Milk cooling • Always check temperatures to ensure correct cooling is reached during and after milking • Make sure always to follow dairy specific recommendations for cooling temperatures • Milk cooling and milk storage tanks need to be cleaned immediately after emptying, using approved detergents 12 Regularly monitor Milking results • Review dairy processor info on milk quality and milk composition regularly • If available, cross check with data from CMT, DCC, HN, etc on a regular basis • Regular preventative maintenance including replacement of liners , tubes and other parts, according to DeLaval recommendations, is the best way to ensure a well functioning milking system .. .12 Golden Rules of Conventional Milking —in detail Before milking During milking After milking Monitor udder... quality • Keep record of udder health results for each cow • Always keep milk of identified sick cows separate Check Milking Vacuum • Always check the milking vacuum at the start of each milking •... the end of milking; by direct • Always use disposable gloves and always ensure they are clean observation of milk flow; or via flow • Never strip milk onto the floor sensors in case of automatic