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 29.48
Milk (kg) -793.00 -0.014 11.10
Fat (kg) -17.93 -0.375 6.72
Prot (kg) -26.43 -0.441 11.67
Fertility Sub Index 8.46
Calving Interval (days) -5.12 -1.459 7.47
Survival (%) 0.89 1.117 0.99
Calving Sub Index 0.11
Gestation Length (days) -0.12 -0.919 0.11
Beef Sub Index 0.56
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.18 -0.432 -0.08
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 41.71

* Based on an €80/tonne carbon price