Sprayfo and cow’s milk.

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Presentation transcript:

Sprayfo and cow’s milk

Content Cow’s milk on dairy farm Feeding cow’s milk to rearing calves Cow’s milk  Calf Milk Replacer Management of rest milk Conclusions

Cow’s milk on a dairy farm Cow’s milk is produced for delivery to milk processing industry Sales of cow’s milk = basic income for dairy farm Cow’s milk of first 2-3 days after calving is undeliverable Milk of cows treated with antibiotics is undeliverable Undeliverable milk = rest milk Farmers prefer not to dump rest milk Feeding cow’s milk to calves seems easy and cheap

Feeding cow’s milk to rearing calves

Advantages of cow’s milk Cow’s milk tastes good, is well-accepted by calves  high intake of cow’s milk slows down intake of concentrates Cow’s milk is easy to supply  correct execution means more manual work Calves on cow’s milk look good  Only optical:because of shine (high fat) and filling (rennet) Dumping rest milk is financial loss  is correct, but can be approached differently: Better management of rest milk (later)

Disadvantages of cow’s milk Cow’s milk may contain harmful pathogens  Transmission of Para-tbc on other threats Penicillin milk contains antibiotics  Create resistance of dairy cows against penicillin Cow’s milk is too fat  slows down rumen development, insufficient growth after weaning Cow’s milk is low in vitamins and trace elements  More anemia and weaker bone structure

Creative with cow’s milk? Too much fat  dilute milk with water consequence: less vitamins and trace elements Too much fat  skim the cream off the whole milk consequence: less fat-soluble vitamins Labour involved = too much manual work on large farms Simple calculation: For feeding 50 calves = transport 15,000 litres of cow milk = poor 80 bags of calf milk replacer in an automatic drinking machine

Cow’s milk compared to calf milk replacer

Cow’s milk is variable 12.5 + or - 20% 26 + or - 15% Growth 32 Norm Variation on cow milk Function Dry matter % 12.5 + or - 20% Protien % in DM 26 + or - 15% Growth Fat % in DM 32 + or - 25% Energy Lactose % in DM 34 Variable nutrients  variable growth  more diarrhoea Source: Sloten 2010

Cow’s milk is not balanced

Calves on cow’s milk low in iron 182 bull calves to trial farm Sloten in 2009 Age at arrival: over 2 weeks At arrival all calves tested on Hb value (standard) Bull calves most fed with cow’s milk Minimum – reference Hb value is 10.5 mg / 100 ml Average Hb value is 8.8  TOO LOW ! 20% meets standard > 10.5 46% too low 8 – 10.5 34% critically low < 8

Cow’s milk results in anaemia! 20% above norm 34% critical low ! Spread of Hb value in starting calves 46% Too low ! number of calves Hb value

Trial on feeding cow’s milk Milk fed to calves as: Not pasteurised cow’s milk Calf milk replacer Milk intake (g DM/day) 475 Intake concentrates (g DM/day) 410 450 (+10%) Growth up to day 42 (g/day) 481 531 (+10%) Feed efficiency; Gram growth per kg of total feed 240 272 (+13%) Source: Hill et al., 2007

Watch out with feeding too much milk Milk only  Low concentrate intake  Bad rumen development

Management of rest milk

Feed rest milk to calves for sale Conclusion: In theory, a farmer does not have a surplus of rest milk

Too much rest milk? Different challenge! Conclusion: Farmer with too much rest milk has a different challenge

Conclusions

Sprayfo made for calf rearing Feed calves with: Cow’s milk Sprayfo Prevents transmission of diseases No Yes Stimulates intake of concentrates Low High Level of vitamins & trace elements Too low Perfect! Nutrient composition Variable Very constant Effect on farm profit (with feeding rearing calves) Moderate Good

Sprayfo better for calf rearing Safer constant composition, less chance of diarrhoea with Safety Packege and/or specific antibodies Healthier added iron and vitamins composition enhances intake concentrates less transmission of diseases (such as Para-tbc) Simpler to feed calves irrespective of milking time especially in case of automatic feeding less diarrhoea problems  AND a higher profit per dairy cow!

Sprayfo brings higher profit Cost price per litre Sprayfo is lower than 20 cents Sales price per litre cow’s milk is more than 25 cents In short:  Sell cow’s milk for highest profit  Including package of advantages: growth, health, durability and milk production in future

Thanks for your attention Sprayfo Growth Champion – Your future Thanks for your attention