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 9.74
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -12.14 -0.375 4.55
Prot (kg) -6.72 -0.441 2.97
Fertility Sub Index 2.31
Calving Interval (days) -1.51 -1.459 2.20
Survival (%) 0.10 1.117 0.11
Calving Sub Index -1.50
Gestation Length (days) 1.63 -0.919 -1.50
Beef Sub Index -3.20
Carcass Weight (kg) 4.90 -0.528 -2.58
Age of Slaughter (days) 1.42 -0.432 -0.61
Maintenance Sub Index Maint. Sub Index -1.13
Live WT (kg) 3.70 -0.307 -1.13
Total Carbon Sub Index 6.22

* Based on an €80/tonne carbon price