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 4.88
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -4.36 -0.375 1.63
Prot (kg) -4.82 -0.441 2.13
Fertility Sub Index -3.51
Calving Interval (days) 1.67 -1.459 -2.44
Survival (%) -0.96 1.117 -1.07
Calving Sub Index 0.22
Gestation Length (days) -0.24 -0.919 0.22
Beef Sub Index -0.56
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 3.01 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index -1.44
Live WT (kg) 4.70 -0.307 -1.44
Total Carbon Sub Index -0.41

* Based on an €80/tonne carbon price