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 -0.12
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) 0.13 -0.375 -0.05
Prot (kg) 0.12 -0.441 -0.05
Fertility Sub Index 5.46
Calving Interval (days) -2.71 -1.459 3.95
Survival (%) 1.35 1.117 1.51
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.28
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -1.24 -0.432 0.54
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 17.80

* Based on an €80/tonne carbon price