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 5.06
Milk (kg) -4.00 -0.014 0.06
Fat (kg) -10.33 -0.375 3.87
Prot (kg) -2.57 -0.441 1.13
Fertility Sub Index 2.47
Calving Interval (days) -2.55 -1.459 3.72
Survival (%) -1.12 1.117 -1.25
Calving Sub Index -0.89
Gestation Length (days) 0.97 -0.919 -0.89
Beef Sub Index -7.99
Carcass Weight (kg) 8.10 -0.528 -4.27
Age of Slaughter (days) 8.61 -0.432 -3.72
Maintenance Sub Index Maint. Sub Index -3.86
Live WT (kg) 12.60 -0.307 -3.86
Total Carbon Sub Index -5.22

* Based on an €80/tonne carbon price