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 1.73
Milk (kg) -109.00 -0.014 1.53
Fat (kg) 1.52 -0.375 -0.57
Prot (kg) -1.76 -0.441 0.78
Fertility Sub Index -0.20
Calving Interval (days) 0.35 -1.459 -0.51
Survival (%) 0.28 1.117 0.31
Calving Sub Index 0.31
Gestation Length (days) -0.34 -0.919 0.31
Beef Sub Index 0.38
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.58 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 0.21
Live WT (kg) -0.70 -0.307 0.21
Total Carbon Sub Index 2.45

* Based on an €80/tonne carbon price