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Table 6 Monitoring requirements and worksheets

From: Imbedding HACCP principles in dairy herd health and production management: case report on calf rearing

Hazards

Main risk

factor

-CCP

-POPA

Monitoring

Work sheets

Targets

(yearly basis)

-Diarrhoea (in neonate or older calf).

-Respiratory disorder.

Insufficient colostrum intake.

-Measure prevalence. -IgG level serum in calves aged 2-5 days.

-Monthly dairy data evaluation. -Monthly IgG level serum check

or

IgG level colostrum check (each calf).

"Feeding newborn calves."

≤ 3%

≤ 3%

-Diarrhoea (in neonate or older calf).

-Respiratory

disorder.

Poor hygiene.

-Watch prevalence

-Pens are cleaned prior to re-housing (according to "Golden cleaningstandard.")

Monthly dairy data evaluation.

"Hygiene newborn calves."

≤ 3%

≤ 3%

-Poor weight gain

2-8 weeks.

Insufficient intake milk replacer/deviations in composition milk.

-Water temperature of milk preparation. -Ratio milk powder to water. - Mixing time.

Weekly cleaning routine.

"Hygiene and maintenance of automatic milk feeder."

370 kg at 14 months with BCS 2.5.

-Poor weight gain 2-8 months.

Insufficient protein intake.

-Concentrate intake < × kg -x % of animals < target weight.

Young stock measurements 2x/year.

"Young stock measurements and body condition scoring."

370 kg at 14 months with BCS 2.5.