Legal notice Privacy
 

A

Browse in our alphabetic index

Bird assessment

  • How to get reliable information to make good decisions.

Pullet Phase

BODY WEIGHT AND
UNIFORMITY
Weigh
minimum 100 birds
Select cages from different tiers
and also from the front, middle and back part of the house.
All the birds of the selected cage
need to be weighed.
Weigh weekly
Formula

MORTALITY
Daily Mortality (%)

Weekly Mortality (%)

Accumulated Mortality (%)

SHANK LENGTH OR
KEEL LENGTH
Measure
minimum 50 birds
All the birds of the selected cage or area need to be measured.
Measure
5th week before transfer

How to do shank measurements

How to do keel measurements

Laying Hens

BODY WEIGHT AND
UNIFORMITY
Weigh
minimum 100 birds
Select cages from different tiers
and also from the front, middle and back part of the house.
All the birds of the selected cage
need to be weighed.
Frequency
  • Weigh weekly up to 30 weeks of age
  • Weigh every 2 weeks
    up to 40 weeks of age
  • Weigh monthly after 40 weeks of age
Formula

MORTALITY
Daily Mortality (%)

Weekly Mortality (%)

Accumulated Mortality (%)

EFFICIENCY
PARAMETERS
FCR kg/kg

FCR kg/egg

Egg per Hen Housed

FCR kg/12 eggs

IOFC

Laying Hens

EGG PRODUCTION
Daily Laying Rate (%)

Weekly Lay (%)

Accumulated Lay (%)

Daily egg size

Weekly egg size

Accumulated egg size (g)

Daily egg mass

Weekly egg mass

Accumulated egg mass

Under grade

1. No. of broken eggs (BE)
2. No. of cracked eggs (FE)
3. No. of dirty eggs (DE)

Daily
Under grade (%)

Accumulated Under grade

Daily egg mass

Weekly egg mass

Accumulated egg mass

<< House environment Health & Biosecurity >>