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 7.07
Milk (kg) -181.00 -0.014 2.53
Fat (kg) -3.70 -0.375 1.39
Prot (kg) -7.13 -0.441 3.15
Fertility Sub Index -0.69
Calving Interval (days) 0.38 -1.459 -0.55
Survival (%) -0.12 1.117 -0.13
Calving Sub Index 0.66
Gestation Length (days) -0.72 -0.919 0.66
Beef Sub Index 0.06
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.67 -0.432 -1.15
Maintenance Sub Index Maint. Sub Index 2.51
Live WT (kg) -8.20 -0.307 2.51
Total Carbon Sub Index 9.61

* Based on an €80/tonne carbon price