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 4.80
Milk (kg) -9.00 -0.014 0.13
Fat (kg) -4.53 -0.375 1.70
Prot (kg) -6.74 -0.441 2.97
Fertility Sub Index -5.86
Calving Interval (days) 2.33 -1.459 -3.40
Survival (%) -2.20 1.117 -2.46
Calving Sub Index -0.22
Gestation Length (days) 0.24 -0.919 -0.22
Beef Sub Index -2.90
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) 5.74 -0.432 -2.48
Maintenance Sub Index Maint. Sub Index 0.61
Live WT (kg) -2.00 -0.307 0.61
Total Carbon Sub Index -3.57

* Based on an €80/tonne carbon price