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 9.90
Milk (kg) -151.00 -0.014 2.11
Fat (kg) -12.28 -0.375 4.60
Prot (kg) -7.22 -0.441 3.19
Fertility Sub Index 14.10
Calving Interval (days) -7.85 -1.459 11.45
Survival (%) 2.37 1.117 2.65
Calving Sub Index -3.33
Gestation Length (days) 3.62 -0.919 -3.33
Beef Sub Index 2.10
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) -4.38 -0.432 1.89
Maintenance Sub Index Maint. Sub Index 1.13
Live WT (kg) -3.70 -0.307 1.13
Total Carbon Sub Index 23.91

* Based on an €80/tonne carbon price