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 6.98
Milk (kg) -166.00 -0.014 2.32
Fat (kg) -5.61 -0.375 2.10
Prot (kg) -5.78 -0.441 2.55
Fertility Sub Index 5.98
Calving Interval (days) -3.46 -1.459 5.05
Survival (%) 0.83 1.117 0.93
Calving Sub Index -2.04
Gestation Length (days) 2.22 -0.919 -2.04
Beef Sub Index -0.53
Carcass Weight (kg) 4.80 -0.528 -2.53
Age of Slaughter (days) -4.64 -0.432 2.00
Maintenance Sub Index Maint. Sub Index 5.30
Live WT (kg) -17.30 -0.307 5.30
Total Carbon Sub Index 15.69

* Based on an €80/tonne carbon price