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 4.76
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -5.12 -0.375 1.92
Prot (kg) -1.75 -0.441 0.77
Fertility Sub Index 6.81
Calving Interval (days) -3.98 -1.459 5.81
Survival (%) 0.90 1.117 1.01
Calving Sub Index 2.11
Gestation Length (days) -2.30 -0.919 2.11
Beef Sub Index -0.32
Carcass Weight (kg) 3.00 -0.528 -1.58
Age of Slaughter (days) -2.93 -0.432 1.26
Maintenance Sub Index Maint. Sub Index -1.38
Live WT (kg) 4.50 -0.307 -1.38
Total Carbon Sub Index 11.98

* Based on an €80/tonne carbon price