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 5.21
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -6.83 -0.375 2.56
Prot (kg) -2.45 -0.441 1.08
Fertility Sub Index 5.19
Calving Interval (days) -2.51 -1.459 3.66
Survival (%) 1.37 1.117 1.53
Calving Sub Index -1.53
Gestation Length (days) 1.66 -0.919 -1.53
Beef Sub Index -2.24
Carcass Weight (kg) 4.10 -0.528 -2.16
Age of Slaughter (days) 0.17 -0.432 -0.07
Maintenance Sub Index Maint. Sub Index 0.67
Live WT (kg) -2.20 -0.307 0.67
Total Carbon Sub Index 7.32

* Based on an €80/tonne carbon price