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 5.54
Milk (kg) -91.00 -0.014 1.27
Fat (kg) -6.07 -0.375 2.27
Prot (kg) -4.51 -0.441 1.99
Fertility Sub Index 6.31
Calving Interval (days) -2.80 -1.459 4.09
Survival (%) 1.99 1.117 2.22
Calving Sub Index -1.48
Gestation Length (days) 1.61 -0.919 -1.48
Beef Sub Index -2.48
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 8.31 -0.432 -3.59
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 14.42

* Based on an €80/tonne carbon price