Table 1.
Sampling timetable for (a) NutriBeef 2013 and (b) NutriBeef 2014 diet and supplement trials
| Time point | (day) | Date | Description |
|---|---|---|---|
| (a) | |||
| TP0 | 0 | 30th May 2013 | Pre-treatment |
| TP1 | 25 | 24th June 2013 | Adaptation |
| TP2 | 42 | 11th July 2013 | Start test |
| TP3 | 74 | 12th August 2013 | Mid test |
| TP4 | 102 | 9th September 2013 | End test |
| TP5 | 111–189 | 18th September – 5th December 2013 | Chamber |
| TP6 | 126–195 | 3rd October – 11th December 2013 | Slaughter |
| (b) | |||
| TP0 | 0 | 14th April 2014 | Pre-treatment |
| TP1 | 14 | 28th April 2014 | Adaptation |
| TP2 | 31 | 15th May 2014 | Start test |
| TP4 | 98 | 21st July 2014 | End test |
| TP5 | 114–199 | 6th August – 30th October 2014 | Chamber |
| TP6 | 141–203 | 2nd September – 3rd November 2014 | Slaughter |
TP0: Pre-treatment: After transition to the Forage and Concentrate diets but before introduction of Nitrate and Lipid treatments
TP1: Adaptation: Seven days after introduction to Nitrate and Lipid treatments when cattle were being offered 25% of the maximum dose of Nitrate
TP2: Start test: At the start of the 56 day performance test period
TP3: Mid test: At the mid-point of the 56 day performance test period (2013 samples only)
TP4: End test: At the end of the 56 day performance test period
TP5: Chamber: After completion of the 56 day performance test period, when each animal left the respiration chambers over a period of 13 weeks (six animals/week)
TP6: Slaughter: At the abattoir, when cattle were slaughtered in four batches