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 4.11
Milk (kg) -86.00 -0.014 1.20
Fat (kg) -4.46 -0.375 1.67
Prot (kg) -2.81 -0.441 1.24
Fertility Sub Index 6.85
Calving Interval (days) -4.23 -1.459 6.17
Survival (%) 0.61 1.117 0.68
Calving Sub Index 0.26
Gestation Length (days) -0.28 -0.919 0.26
Beef Sub Index 1.51
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 0.42 -0.432 -0.18
Maintenance Sub Index Maint. Sub Index 3.65
Live WT (kg) -11.90 -0.307 3.65
Total Carbon Sub Index 16.38

* Based on an €80/tonne carbon price