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 7.40
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -6.09 -0.375 2.28
Prot (kg) -6.53 -0.441 2.88
Fertility Sub Index 7.98
Calving Interval (days) -3.82 -1.459 5.57
Survival (%) 2.15 1.117 2.40
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.14
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -0.93 -0.432 0.40
Maintenance Sub Index Maint. Sub Index 6.16
Live WT (kg) -20.10 -0.307 6.16
Total Carbon Sub Index 27.48

* Based on an €80/tonne carbon price