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 9.70
Milk (kg) -229.00 -0.014 3.21
Fat (kg) -10.70 -0.375 4.01
Prot (kg) -5.63 -0.441 2.48
Fertility Sub Index 4.62
Calving Interval (days) -2.61 -1.459 3.81
Survival (%) 0.73 1.117 0.82
Calving Sub Index -1.12
Gestation Length (days) 1.22 -0.919 -1.12
Beef Sub Index -4.55
Carcass Weight (kg) 8.60 -0.528 -4.54
Age of Slaughter (days) 0.04 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index -1.72
Live WT (kg) 5.60 -0.307 -1.72
Total Carbon Sub Index 6.93

* Based on an €80/tonne carbon price