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 1.50
Milk (kg) 9.00 -0.014 -0.13
Fat (kg) -4.72 -0.375 1.77
Prot (kg) 0.33 -0.441 -0.15
Fertility Sub Index 8.68
Calving Interval (days) -4.27 -1.459 6.23
Survival (%) 2.19 1.117 2.45
Calving Sub Index -1.62
Gestation Length (days) 1.76 -0.919 -1.62
Beef Sub Index -2.74
Carcass Weight (kg) 6.70 -0.528 -3.53
Age of Slaughter (days) -1.85 -0.432 0.80
Maintenance Sub Index Maint. Sub Index -1.96
Live WT (kg) 6.40 -0.307 -1.96
Total Carbon Sub Index 3.86

* Based on an €80/tonne carbon price