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 0.92
Milk (kg) 25.00 -0.014 -0.35
Fat (kg) -3.18 -0.375 1.19
Prot (kg) -0.17 -0.441 0.08
Fertility Sub Index 2.63
Calving Interval (days) -1.84 -1.459 2.68
Survival (%) -0.05 1.117 -0.06
Calving Sub Index 0.51
Gestation Length (days) -0.56 -0.919 0.51
Beef Sub Index -1.03
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) 1.29 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index -4.38
Live WT (kg) 14.30 -0.307 -4.38
Total Carbon Sub Index -1.36

* Based on an €80/tonne carbon price