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 10.21
Milk (kg) -203.00 -0.014 2.84
Fat (kg) -8.41 -0.375 3.15
Prot (kg) -9.56 -0.441 4.22
Fertility Sub Index 6.74
Calving Interval (days) -4.10 -1.459 5.98
Survival (%) 0.68 1.117 0.76
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index 0.28
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.18 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 21.04

* Based on an €80/tonne carbon price