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 -2.96
Milk (kg) 109.00 -0.014 -1.53
Fat (kg) 0.58 -0.375 -0.22
Prot (kg) 2.75 -0.441 -1.21
Fertility Sub Index -3.28
Calving Interval (days) 1.65 -1.459 -2.41
Survival (%) -0.78 1.117 -0.87
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index 1.62
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 2.00 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index -0.40
Live WT (kg) 1.30 -0.307 -0.40
Total Carbon Sub Index -4.19

* Based on an €80/tonne carbon price