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 2.63
Milk (kg) -38.00 -0.014 0.53
Fat (kg) -2.55 -0.375 0.96
Prot (kg) -2.58 -0.441 1.14
Fertility Sub Index 4.24
Calving Interval (days) -2.49 -1.459 3.63
Survival (%) 0.54 1.117 0.60
Calving Sub Index -0.16
Gestation Length (days) 0.17 -0.919 -0.16
Beef Sub Index 0.02
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.16 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index 9.51

* Based on an €80/tonne carbon price