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 3.52
Milk (kg) -102.00 -0.014 1.43
Fat (kg) -1.52 -0.375 0.57
Prot (kg) -3.44 -0.441 1.52
Fertility Sub Index 4.23
Calving Interval (days) -2.19 -1.459 3.20
Survival (%) 0.93 1.117 1.04
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.98
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.53 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 5.52
Live WT (kg) -18.00 -0.307 5.52
Total Carbon Sub Index 18.09

* Based on an €80/tonne carbon price