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 2.86
Milk (kg) -42.00 -0.014 0.59
Fat (kg) -2.33 -0.375 0.87
Prot (kg) -3.18 -0.441 1.40
Fertility Sub Index 2.84
Calving Interval (days) -1.63 -1.459 2.38
Survival (%) 0.41 1.117 0.46
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.01
Carcass Weight (kg) 2.90 -0.528 -1.53
Age of Slaughter (days) -1.20 -0.432 0.52
Maintenance Sub Index Maint. Sub Index -2.67
Live WT (kg) 8.70 -0.307 -2.67
Total Carbon Sub Index 1.55

* Based on an €80/tonne carbon price