Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 1.90
Milk (kg) -164.00 -0.014 2.30
Fat (kg) 2.52 -0.375 -0.94
Prot (kg) -1.24 -0.441 0.55
Fertility Sub Index 6.10
Calving Interval (days) -4.08 -1.459 5.95
Survival (%) 0.13 1.117 0.15
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.04
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) -2.28 -0.432 0.98
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 20.10

* Based on an €80/tonne carbon price