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 10.15
Milk (kg) -142.00 -0.014 1.99
Fat (kg) -11.11 -0.375 4.16
Prot (kg) -9.07 -0.441 4.00
Fertility Sub Index -5.18
Calving Interval (days) 2.60 -1.459 -3.79
Survival (%) -1.24 1.117 -1.39
Calving Sub Index 0.12
Gestation Length (days) -0.13 -0.919 0.12
Beef Sub Index 0.38
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.67 -0.432 -1.15
Maintenance Sub Index Maint. Sub Index 1.10
Live WT (kg) -3.60 -0.307 1.10
Total Carbon Sub Index 6.57

* Based on an €80/tonne carbon price