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 7.60
Milk (kg) -116.00 -0.014 1.62
Fat (kg) -8.69 -0.375 3.25
Prot (kg) -6.16 -0.441 2.72
Fertility Sub Index 5.54
Calving Interval (days) -3.37 -1.459 4.92
Survival (%) 0.56 1.117 0.63
Calving Sub Index 0.56
Gestation Length (days) -0.61 -0.919 0.56
Beef Sub Index 0.37
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.23 -0.432 -0.53
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index 16.85

* Based on an €80/tonne carbon price