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 8.20
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -8.28 -0.375 3.10
Prot (kg) -6.09 -0.441 2.69
Fertility Sub Index 6.73
Calving Interval (days) -3.26 -1.459 4.76
Survival (%) 1.77 1.117 1.98
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.87
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.17 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 4.63
Live WT (kg) -15.10 -0.307 4.63
Total Carbon Sub Index 24.23

* Based on an €80/tonne carbon price