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 1.90
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -1.64 -0.375 0.61
Prot (kg) -0.85 -0.441 0.38
Fertility Sub Index -0.65
Calving Interval (days) 1.28 -1.459 -1.87
Survival (%) 1.09 1.117 1.22
Calving Sub Index -0.76
Gestation Length (days) 0.83 -0.919 -0.76
Beef Sub Index -1.19
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 6.43 -0.432 -2.78
Maintenance Sub Index Maint. Sub Index 5.46
Live WT (kg) -17.80 -0.307 5.46
Total Carbon Sub Index 4.74

* Based on an €80/tonne carbon price