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 0.89
Milk (kg) 81.00 -0.014 -1.13
Fat (kg) -4.42 -0.375 1.66
Prot (kg) -0.83 -0.441 0.37
Fertility Sub Index 2.61
Calving Interval (days) -0.48 -1.459 0.70
Survival (%) 1.71 1.117 1.91
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -2.15
Carcass Weight (kg) 2.30 -0.528 -1.21
Age of Slaughter (days) 2.17 -0.432 -0.94
Maintenance Sub Index Maint. Sub Index 0.74
Live WT (kg) -2.40 -0.307 0.74
Total Carbon Sub Index 1.61

* Based on an €80/tonne carbon price