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 4.57
Milk (kg) -50.00 -0.014 0.70
Fat (kg) -3.87 -0.375 1.45
Prot (kg) -5.48 -0.441 2.42
Fertility Sub Index 6.22
Calving Interval (days) -4.10 -1.459 5.98
Survival (%) 0.21 1.117 0.23
Calving Sub Index 0.13
Gestation Length (days) -0.14 -0.919 0.13
Beef Sub Index -1.21
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) 1.82 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 11.91

* Based on an €80/tonne carbon price