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 -7.85
Milk (kg) -6.00 -0.014 0.08
Fat (kg) 9.91 -0.375 -3.71
Prot (kg) 9.57 -0.441 -4.22
Fertility Sub Index 1.94
Calving Interval (days) -0.19 -1.459 0.28
Survival (%) 1.49 1.117 1.66
Calving Sub Index 3.82
Gestation Length (days) -4.16 -0.919 3.82
Beef Sub Index 1.49
Carcass Weight (kg) -5.60 -0.528 2.95
Age of Slaughter (days) 3.38 -0.432 -1.46
Maintenance Sub Index Maint. Sub Index 7.05
Live WT (kg) -23.00 -0.307 7.05
Total Carbon Sub Index 6.45

* Based on an €80/tonne carbon price