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 13.69
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -16.76 -0.375 6.28
Prot (kg) -12.07 -0.441 5.33
Fertility Sub Index 6.40
Calving Interval (days) -2.90 -1.459 4.23
Survival (%) 1.94 1.117 2.17
Calving Sub Index -1.58
Gestation Length (days) 1.72 -0.919 -1.58
Beef Sub Index -2.56
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 7.51 -0.432 -3.24
Maintenance Sub Index Maint. Sub Index 6.04
Live WT (kg) -19.70 -0.307 6.04
Total Carbon Sub Index 21.99

* Based on an €80/tonne carbon price