Table 21.
Experimental design of floor pen studies with chickens for fattening fed Nilablend™ 200G
| Trial no (study start) | Replicates per treatment (birds per replicate) | Inoculum characteristics | Feed analysis in diets lasalocid A Na+ nicarbazin (mg/kg feed)1 | |||
|---|---|---|---|---|---|---|
| Country and date of isolation | Intended dose (number of oocysts) and strain per bird | Day of inoculation | ||||
| 1 (03/2017) | 12 (30) | Belgium 01/2017 | 69,000 | E. acervulina | Day 14 | 39.1 + 37.4 37.6 + 34.4 40.1 + 37.3 |
| 30,000 | E. tenella | |||||
| 2,000 | E. maxima | |||||
| 900 | E. mitis | |||||
| 2 (04/2017) | 12 (30) | Italy 03/2017 | 65,000 | E. acervulina | Day 14 | 42.0 + 41.2 41.0 + 37.7 41.7 + 38.4 |
| 22,000 | E. tenella | |||||
| 4,000 | E. maxima | |||||
| 5,000 | E. mitis | |||||
| 2,000 | E. praecox/necatrix | |||||
| 3 (08/2017) | 12 (30) | France 06/2017 | 52,000 | E. acervulina | Day 15 | 42.6 + 37.5 41.2 + 38.3 42.7 + 34.0 |
| 17,500 | E. tenella | |||||
| 10,000 | E. maxima | |||||
| 1,000 | E. mitis | |||||
| 4 (08/2018) | 12 (18) | Denmark 01/2018 | 558,000 | E. acervulina | Day 15 | 43.3 + 37.8 39.7 + 40.8 41.4 + 42.7 |
1
Birds received starter diet from day 1 to 13/14, grower diet from day 14/15 to 28 and finisher diet from day 29 to 35.