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AfiWeigh ™ Automatic Cow Body Weighing System. Oded Nir (Markusfeld) Consultant to SAE Afikim. Dealers Meeting, Dead Sea, Israel, 2008. AfiWeigh™ - Cows Body Weight. Evaluation the energy balance f or backing up decisions such of feeding and breeding policy Monitoring stress and health
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AfiWeigh™ Automatic Cow Body Weighing System Oded Nir (Markusfeld) Consultant to SAE Afikim Dealers Meeting, Dead Sea, Israel, 2008
AfiWeigh™ - Cows Body Weight • Evaluation the energy balance for backing up decisions such of feeding and breeding policy • Monitoring stress and health • Body weight & body condition score • Reliability
AfiWeigh™ (1) Evaluation the energy balance • In the dry period • From calving to service
When over the dry period do cows lose BW? (n=268) cows SJ
Diagnosis (risk factors for ketosis) loss of BWcompared toloss of BCS in the dry period (odds ratios)
AfiWeigh™ Automatic cow body weighing system May we useBWinstead ofBCSfor evaluation of Energy Balance?
Dry matter intake & energy requirements BCS compared to BW Calculations NRC 2001 Lactating cow, 4th lactation, 46 DIM, 51.2 kg 3.5% FCM/day
AfiWeigh™ Prediction
Individual Cow Models (1) Should I inseminate or wait for the next heat?
AFIfarm Individual Cow Models (2) Body Weight Milk solids Health Traits Calving & Fertility Data Season
AFIfarm Individual Cow Models (3) The Chances of the Cow to get pregnant from the present AI are 35% Compared to 45% from the Next One
AfiWeigh™ AfiWeigh needs constant care
Credibility of the Data: Correlations (r) of Body Condition Scores & Body Weights (1) At drying off r=1 After calving
Correlations (r) of BCS & BW (2) 273 cows
Correlations of BW in farms using AfiWeigh 7 countries It can, and should be done!