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 8.00
Milk (kg) -233.00 -0.014 3.26
Fat (kg) -6.13 -0.375 2.30
Prot (kg) -5.53 -0.441 2.44
Fertility Sub Index 5.97
Calving Interval (days) -3.53 -1.459 5.15
Survival (%) 0.73 1.117 0.82
Calving Sub Index 1.08
Gestation Length (days) -1.18 -0.919 1.08
Beef Sub Index 0.57
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.73 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 3.28
Live WT (kg) -10.70 -0.307 3.28
Total Carbon Sub Index 18.91

* Based on an €80/tonne carbon price