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 12.80
Milk (kg) -506.00 -0.014 7.08
Fat (kg) -1.62 -0.375 0.61
Prot (kg) -11.58 -0.441 5.11
Fertility Sub Index 4.24
Calving Interval (days) -1.68 -1.459 2.45
Survival (%) 1.60 1.117 1.79
Calving Sub Index 0.87
Gestation Length (days) -0.95 -0.919 0.87
Beef Sub Index -1.32
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 8.19 -0.432 -3.54
Maintenance Sub Index Maint. Sub Index 7.30
Live WT (kg) -23.80 -0.307 7.30
Total Carbon Sub Index 23.88

* Based on an €80/tonne carbon price