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 5.17
Milk (kg) -55.00 -0.014 0.77
Fat (kg) -9.86 -0.375 3.69
Prot (kg) -1.61 -0.441 0.71
Fertility Sub Index 5.49
Calving Interval (days) -3.29 -1.459 4.80
Survival (%) 0.62 1.117 0.69
Calving Sub Index -1.63
Gestation Length (days) 1.77 -0.919 -1.63
Beef Sub Index -2.88
Carcass Weight (kg) 2.90 -0.528 -1.53
Age of Slaughter (days) 3.12 -0.432 -1.35
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 8.86

* Based on an €80/tonne carbon price