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 -4.63
Milk (kg) -85.00 -0.014 1.19
Fat (kg) 14.11 -0.375 -5.29
Prot (kg) 1.21 -0.441 -0.53
Fertility Sub Index 1.12
Calving Interval (days) 0.72 -1.459 -1.05
Survival (%) 1.94 1.117 2.17
Calving Sub Index 3.55
Gestation Length (days) -3.86 -0.919 3.55
Beef Sub Index 2.12
Carcass Weight (kg) -5.90 -0.528 3.11
Age of Slaughter (days) 2.31 -0.432 -1.00
Maintenance Sub Index Maint. Sub Index 3.99
Live WT (kg) -13.00 -0.307 3.99
Total Carbon Sub Index 6.14

* Based on an €80/tonne carbon price