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 1.21
Milk (kg) -109.00 -0.014 1.53
Fat (kg) 2.73 -0.375 -1.02
Prot (kg) -1.59 -0.441 0.70
Fertility Sub Index 4.06
Calving Interval (days) -1.59 -1.459 2.32
Survival (%) 1.56 1.117 1.74
Calving Sub Index 0.79
Gestation Length (days) -0.86 -0.919 0.79
Beef Sub Index -2.11
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 8.79 -0.432 -3.79
Maintenance Sub Index Maint. Sub Index 6.74
Live WT (kg) -22.00 -0.307 6.74
Total Carbon Sub Index 10.70

* Based on an €80/tonne carbon price