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 6.57
Milk (kg) -153.00 -0.014 2.14
Fat (kg) -4.28 -0.375 1.60
Prot (kg) -6.40 -0.441 2.82
Fertility Sub Index 7.97
Calving Interval (days) -4.59 -1.459 6.70
Survival (%) 1.14 1.117 1.27
Calving Sub Index 0.67
Gestation Length (days) -0.73 -0.919 0.67
Beef Sub Index -0.13
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 2.13 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 17.69

* Based on an €80/tonne carbon price