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 2.19
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -1.56 -0.375 0.58
Prot (kg) -0.43 -0.441 0.19
Fertility Sub Index 7.16
Calving Interval (days) -4.42 -1.459 6.45
Survival (%) 0.64 1.117 0.72
Calving Sub Index 2.76
Gestation Length (days) -3.00 -0.919 2.76
Beef Sub Index -4.98
Carcass Weight (kg) 6.10 -0.528 -3.22
Age of Slaughter (days) 4.09 -0.432 -1.77
Maintenance Sub Index Maint. Sub Index -1.53
Live WT (kg) 5.00 -0.307 -1.53
Total Carbon Sub Index 5.59

* Based on an €80/tonne carbon price