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 -1.39
Milk (kg) 21.00 -0.014 -0.29
Fat (kg) 1.51 -0.375 -0.57
Prot (kg) 1.20 -0.441 -0.53
Fertility Sub Index 3.18
Calving Interval (days) -1.52 -1.459 2.22
Survival (%) 0.86 1.117 0.96
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.08
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 3.61 -0.432 -1.56
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 12.01

* Based on an €80/tonne carbon price