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 17.60
Milk (kg) -355.00 -0.014 4.97
Fat (kg) -18.74 -0.375 7.02
Prot (kg) -12.72 -0.441 5.61
Fertility Sub Index 4.74
Calving Interval (days) -2.32 -1.459 3.38
Survival (%) 1.21 1.117 1.35
Calving Sub Index -1.97
Gestation Length (days) 2.14 -0.919 -1.97
Beef Sub Index -2.28
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 4.91 -0.432 -2.12
Maintenance Sub Index Maint. Sub Index 4.51
Live WT (kg) -14.70 -0.307 4.51
Total Carbon Sub Index 22.60

* Based on an €80/tonne carbon price