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 6.91
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -3.94 -0.375 1.48
Prot (kg) -7.58 -0.441 3.35
Fertility Sub Index 3.08
Calving Interval (days) -2.53 -1.459 3.69
Survival (%) -0.55 1.117 -0.61
Calving Sub Index -2.13
Gestation Length (days) 2.32 -0.919 -2.13
Beef Sub Index 0.40
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) -1.90 -0.432 0.82
Maintenance Sub Index Maint. Sub Index -0.15
Live WT (kg) 0.50 -0.307 -0.15
Total Carbon Sub Index 8.10

* Based on an €80/tonne carbon price