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 30.91
Milk (kg) -692.00 -0.014 9.69
Fat (kg) -24.63 -0.375 9.23
Prot (kg) -27.17 -0.441 11.99
Fertility Sub Index 4.21
Calving Interval (days) -2.22 -1.459 3.24
Survival (%) 0.87 1.117 0.97
Calving Sub Index -0.04
Gestation Length (days) 0.04 -0.919 -0.04
Beef Sub Index 1.01
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 1.45 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 37.55

* Based on an €80/tonne carbon price