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 8.53
Milk (kg) -262.00 -0.014 3.67
Fat (kg) -5.17 -0.375 1.94
Prot (kg) -6.62 -0.441 2.92
Fertility Sub Index 7.55
Calving Interval (days) -3.77 -1.459 5.50
Survival (%) 1.83 1.117 2.04
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.00
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 1.24 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 6.62
Live WT (kg) -21.60 -0.307 6.62
Total Carbon Sub Index 27.47

* Based on an €80/tonne carbon price