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 9.08
Milk (kg) -161.00 -0.014 2.25
Fat (kg) -10.19 -0.375 3.82
Prot (kg) -6.82 -0.441 3.01
Fertility Sub Index 7.10
Calving Interval (days) -3.23 -1.459 4.71
Survival (%) 2.14 1.117 2.39
Calving Sub Index -1.51
Gestation Length (days) 1.64 -0.919 -1.51
Beef Sub Index -2.12
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 6.38 -0.432 -2.75
Maintenance Sub Index Maint. Sub Index 5.43
Live WT (kg) -17.70 -0.307 5.43
Total Carbon Sub Index 17.98

* Based on an €80/tonne carbon price