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 6.85
Milk (kg) -163.00 -0.014 2.28
Fat (kg) -4.29 -0.375 1.61
Prot (kg) -6.71 -0.441 2.96
Fertility Sub Index 6.00
Calving Interval (days) -3.34 -1.459 4.87
Survival (%) 1.01 1.117 1.13
Calving Sub Index -0.27
Gestation Length (days) 0.29 -0.919 -0.27
Beef Sub Index -0.19
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.91 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 14.70

* Based on an €80/tonne carbon price