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 1.11
Milk (kg) -22.00 -0.014 0.31
Fat (kg) -1.72 -0.375 0.64
Prot (kg) -0.36 -0.441 0.16
Fertility Sub Index 3.07
Calving Interval (days) -1.44 -1.459 2.10
Survival (%) 0.87 1.117 0.97
Calving Sub Index -2.03
Gestation Length (days) 2.21 -0.919 -2.03
Beef Sub Index -4.59
Carcass Weight (kg) 9.70 -0.528 -5.12
Age of Slaughter (days) -1.22 -0.432 0.53
Maintenance Sub Index Maint. Sub Index -3.10
Live WT (kg) 10.10 -0.307 -3.10
Total Carbon Sub Index -5.53

* Based on an €80/tonne carbon price