Product presentationcalf milk pasteurizer “MaxiSteam II”

Functions – Specification – Technical data

Engen, July 2008

Kathrin Aymanns

Background

Feeding of fresh milk gets more and more important (MR prices increases; non marketable milk)

Pasteurization is important to feed the milk without concerns

Especially for non-marketable milk (Mastitis milk)

Reduction of the germ content

Improvement of the animal health

Not clear: kill of Para tuberculosis germ

Difficult up to now: pasteurization of colostrum and mixed colostrum (sticking of plate pasteurizers, scorch in batch pasteurizers)

Animal development

Thesis of F. Schwab, FH Weihenstephan (2006)

Calves with and without sign of disease

Number of calves Without signs of disease

With signs of disease

Pasteurized milk (trial group)

18 10

= 56 %

8

= 44 %

Not pasteurized milk

(control group)

15 3

= 20 %

12

= 80 %

Animal development – MR vs. pasteurized milk

Sandra Godden, field study, Minnesota 2002

10 month field study with 439 calves Test group: 217 calves, fed with pasteurized, non-marketable milk Control group: 222 calves fed with 20:20 MR

The calves who gets just pasteurized milk, arrived • higher final weights

(147.3 lbs vs. 143 lbs after weaning)

• higher daily weight gain(1.04 lbs/day vs. 0.76 lbs/day)

• significant deeper death losses (2.3% vs. 11.6%)

Animal development – Raw milk vs. pasteurized milk

Jamaluddin et al., field study, California 1996

Study with 300 calves Calves fed with pasteurized colostrum and milk

• were less days sick

• had a reduced mortality rate

• needed less funds for medicine

• had higher weight gains after weaning

• made a higher profit

• than calves fed with non-pasteurized non-marketable milk

Results of Germ-Killing and Immunoglobulin (USA)

Quelle: S. Godden, University of Minnesota

Processor control

Dosing pump to acidify pasteurized milk

Pasteurization and buffer tankMaxiSteam with integrated cooling system

MaxiSteam calf milk pasteurizer

MaxiSteam raw milk tanktank for

pasteurized milk

Flow chart MaxiSteam

Flow chart MaxiSteam

T = temperature sensor

steam g

enerato

r

bu

ffer co

ntain

er

pasteu

rization

con

tainer

coo

ler

raw milk tank

T

dosingpump

T

cooling water (inlet)

cooling water (outlet)

tank for pasteurized milk

Product features MaxiSteam

Processing every milk type by steam pasteurization, e.g.

Whole milk Non marketable milk Mixed colostrum

High flexibility by pasteurization small portions, thus suitable for

small and daily changing quantities

growing farms

Quick heating and cooling of the milk ensures gentle processing

Product features MaxiSteam

Easily adjustable and controlled operating conditions by processor control (pasteurization temperature, hold time, etc.) – high process automation e.g. by electrodes in the milk tanks

End product ready to be fed thanks to integrated cooling system

Automated cleaning

Extras and accessories:

Water softener

Dosing pump for milk additives, e.g. acid for milk preservation or enhancement of digestibility

External steam distributor with pistol grip

Reduction of the germ content

Institute for Hygiene and Food Safety of the Federal Dairy Research Center in Kiel (Germany) 2007

MaxiSteam I under laboratory conditions All main Mastitis pathogens which might be transferred to the calf by the milk are significantly

reduced.

95 – 99% reduction of the main germ content

Staphylococcus and Enterococci germs are lowered at least 5 log-10-steps (1:100.000). CNS, yeast and Streptococcus could not even been found after pasteurization. One very thermo tolerant E.coli germ reached almost 5 log-10-steps-reduction.

„gentle heating“

Max Rubner Institut, BFEL in Kiel, Dr. Clawin-Rädecker, 2008

Furosin is a sensitive heating indicator It can be used to evaluate a pasteurization process During the MaxiSteam test the furosin level doesn't increase

very gentle heating

Reduction of the IgG Level in colostrum

Department for veterinary research University Munich, 2008

Method: Sandwich-Elisa; IgG-Bovin

Reduction of the IgG level 65°C, 30 min. 72°C, 15 sec.

First colostrum 58% 34%

Second colostrum 45% 28%

Connections of the MaxiSteam

Raw milk inlet (from milk tank)

Outlet pasteurized milk (in milk tank) Water softener

Detergent pumps

Inlet cooling water

Outlet cooling water

Water outlet

Water inlet steam generator

External steam lance

Technical data of MaxiSteam

Dimensions and weight 650 x 80 x 1250 mm (w x d x h) approx. 104 kg

Pasteurization performance approx. 80 – 100 l / h (depending on temperature of fresh milk and cooling water)

Temperatures Fresh milk (recommendation): approx. 35° C Cooling water (recommendation): approx. 5 - 15° C Pasteurized milk (after cooling): approx. 35 - 45° C (adjustable)

Technical data of MaxiSteam

Power supply Voltage: 400 V / 50 Hz / 5-pole connecting plug Fuse protection: 16 A + FI 30 mA Max. power inlet steam generator: 7,5 kW Voltage for water softener: 230V / 50 Hz / 16 A

Milk Fresh milk

• Size: ½ “ plug-in coupling with sieve Pasteurized milk

• Size: ½ “ plug-in coupling

Technical data of MaxiSteam

Water Water inlet steam generator

• Size: ½ “ hose, ¾“ plug-in coupling

• Water pressure between 2,5 and 6 bar

• Caution: Use of softened water or water softener is recommended Water inlet cooler

• Size: ½ “ hose, ¾“ plug-in coupling

• Minimal pressure: 1,5 bar Water outlet

• Size: ½ “ hose, ½ “ plug-in coupling

Drain off Gully

• Size: ½ “ plug-in coupling