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 10.05
Milk (kg) -281.00 -0.014 3.93
Fat (kg) -8.89 -0.375 3.33
Prot (kg) -6.32 -0.441 2.79
Fertility Sub Index 8.06
Calving Interval (days) -4.83 -1.459 7.05
Survival (%) 0.91 1.117 1.02
Calving Sub Index 2.09
Gestation Length (days) -2.27 -0.919 2.09
Beef Sub Index -1.00
Carcass Weight (kg) 2.50 -0.528 -1.32
Age of Slaughter (days) -0.73 -0.432 0.32
Maintenance Sub Index Maint. Sub Index 0.55
Live WT (kg) -1.80 -0.307 0.55
Total Carbon Sub Index 19.75

* Based on an €80/tonne carbon price