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 5.38
Milk (kg) -130.00 -0.014 1.82
Fat (kg) -4.60 -0.375 1.72
Prot (kg) -4.17 -0.441 1.84
Fertility Sub Index 6.66
Calving Interval (days) -3.57 -1.459 5.21
Survival (%) 1.30 1.117 1.45
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.09
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 1.44 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 17.99

* Based on an €80/tonne carbon price