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 9.23
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -10.45 -0.375 3.91
Prot (kg) -7.09 -0.441 3.13
Fertility Sub Index 4.17
Calving Interval (days) -2.78 -1.459 4.06
Survival (%) 0.10 1.117 0.11
Calving Sub Index -1.61
Gestation Length (days) 1.75 -0.919 -1.61
Beef Sub Index -3.05
Carcass Weight (kg) 5.20 -0.528 -2.74
Age of Slaughter (days) 0.71 -0.432 -0.31
Maintenance Sub Index Maint. Sub Index -0.37
Live WT (kg) 1.20 -0.307 -0.37
Total Carbon Sub Index 8.37

* Based on an €80/tonne carbon price