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 6.01
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -7.32 -0.375 2.74
Prot (kg) -4.40 -0.441 1.94
Fertility Sub Index 2.53
Calving Interval (days) -1.21 -1.459 1.77
Survival (%) 0.68 1.117 0.76
Calving Sub Index -1.41
Gestation Length (days) 1.53 -0.919 -1.41
Beef Sub Index -3.59
Carcass Weight (kg) 5.90 -0.528 -3.11
Age of Slaughter (days) 1.11 -0.432 -0.48
Maintenance Sub Index Maint. Sub Index -0.80
Live WT (kg) 2.60 -0.307 -0.80
Total Carbon Sub Index 2.75

* Based on an €80/tonne carbon price