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 4.59
Milk (kg) 9.00 -0.014 -0.13
Fat (kg) -4.71 -0.375 1.76
Prot (kg) -6.68 -0.441 2.95
Fertility Sub Index 3.46
Calving Interval (days) -3.03 -1.459 4.42
Survival (%) -0.86 1.117 -0.96
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index 1.71
Carcass Weight (kg) -6.40 -0.528 3.38
Age of Slaughter (days) 3.87 -0.432 -1.67
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 12.52

* Based on an €80/tonne carbon price