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 5.39
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -4.16 -0.375 1.56
Prot (kg) -4.21 -0.441 1.86
Fertility Sub Index 6.28
Calving Interval (days) -2.74 -1.459 4.00
Survival (%) 2.04 1.117 2.28
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.61
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 0.80 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 3.99
Live WT (kg) -13.00 -0.307 3.99
Total Carbon Sub Index 21.06

* Based on an €80/tonne carbon price