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 8.39
Milk (kg) -165.00 -0.014 2.31
Fat (kg) -3.42 -0.375 1.28
Prot (kg) -10.88 -0.441 4.80
Fertility Sub Index 5.46
Calving Interval (days) -3.33 -1.459 4.86
Survival (%) 0.54 1.117 0.60
Calving Sub Index -0.01
Gestation Length (days) 0.01 -0.919 -0.01
Beef Sub Index 2.14
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 0.91 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 18.87

* Based on an €80/tonne carbon price