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 9.61
Milk (kg) -225.00 -0.014 3.15
Fat (kg) -11.21 -0.375 4.20
Prot (kg) -5.13 -0.441 2.26
Fertility Sub Index -2.10
Calving Interval (days) 1.80 -1.459 -2.63
Survival (%) 0.47 1.117 0.53
Calving Sub Index -1.65
Gestation Length (days) 1.79 -0.919 -1.65
Beef Sub Index 0.21
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.42 -0.432 -1.48
Maintenance Sub Index Maint. Sub Index 4.78
Live WT (kg) -15.60 -0.307 4.78
Total Carbon Sub Index 10.85

* Based on an €80/tonne carbon price