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 12.30
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -17.66 -0.375 6.61
Prot (kg) -10.51 -0.441 4.64
Fertility Sub Index 6.87
Calving Interval (days) -3.57 -1.459 5.21
Survival (%) 1.49 1.117 1.66
Calving Sub Index -2.43
Gestation Length (days) 2.64 -0.919 -2.43
Beef Sub Index -3.40
Carcass Weight (kg) 9.10 -0.528 -4.80
Age of Slaughter (days) -3.24 -0.432 1.40
Maintenance Sub Index Maint. Sub Index -4.78
Live WT (kg) 15.60 -0.307 -4.78
Total Carbon Sub Index 8.57

* Based on an €80/tonne carbon price