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 5.52
Milk (kg) -143.00 -0.014 2.00
Fat (kg) -3.88 -0.375 1.45
Prot (kg) -4.67 -0.441 2.06
Fertility Sub Index 7.18
Calving Interval (days) -3.16 -1.459 4.61
Survival (%) 2.30 1.117 2.57
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.13
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.25 -0.432 -1.40
Maintenance Sub Index Maint. Sub Index 4.72
Live WT (kg) -15.40 -0.307 4.72
Total Carbon Sub Index 21.35

* Based on an €80/tonne carbon price