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 1.28
Milk (kg) -247.00 -0.014 3.46
Fat (kg) 9.49 -0.375 -3.55
Prot (kg) -3.12 -0.441 1.38
Fertility Sub Index 8.26
Calving Interval (days) -4.53 -1.459 6.61
Survival (%) 1.48 1.117 1.65
Calving Sub Index 2.81
Gestation Length (days) -3.06 -0.919 2.81
Beef Sub Index -3.31
Carcass Weight (kg) 5.20 -0.528 -2.74
Age of Slaughter (days) 1.32 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index 9.36

* Based on an €80/tonne carbon price