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 4.19
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -1.19 -0.375 0.45
Prot (kg) -3.76 -0.441 1.66
Fertility Sub Index 4.08
Calving Interval (days) -1.60 -1.459 2.33
Survival (%) 1.56 1.117 1.74
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index -1.99
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 8.28 -0.432 -3.57
Maintenance Sub Index Maint. Sub Index 6.84
Live WT (kg) -22.30 -0.307 6.84
Total Carbon Sub Index 13.83

* Based on an €80/tonne carbon price