Table 9.
Blood and serum parameters of Muscovy ducks fed live BSF and YM larvae provided at 5% of the expected ADFI
| Item | Dietary treatment1 | SEM | P-value | ||
|---|---|---|---|---|---|
| C | BSF | YM | |||
| Erythrocytes, 106 cells/μL | 2.85 | 2.97 | 2.77 | 0.114 | 0.802 |
| Leukocytes, 103 cells/μL | 10.2 | 9.61 | 8.36 | 0.569 | 0.418 |
| Heterophils, % | 37.7 | 36.4 | 35.5 | 0.898 | 0.627 |
| Lymphocytes, % | 56.0 | 58.9 | 59.1 | 0.959 | 0.346 |
| Monocytes, % | 2.33 | 2.00 | 2.00 | 0.163 | 0.642 |
| Eosinophils, % | 0.769 | 1.42 | 1.67 | 0.167 | 0.070 |
| Basophils, % | 2.00 | 1.17 | 1.08 | 0.197 | 0.113 |
| H/L | 0.717a | 0.585b | 0.573b | 0.026 | 0.037 |
| Total protein, g/dL | 3.50 | 3.13 | 3.09 | 0.164 | 0.520 |
| Triglycerides, mg/dL | 51.7 | 64.3 | 49.0 | 2.76 | 0.068 |
| Cholesterol, mg/dL | 170 | 153 | 130 | 10.2 | 0.288 |
| AST, U/L | 18.2 | 17.0 | 16.7 | 0.983 | 0.802 |
| ALT, U/L | 7.91 | 7.82 | 8.08 | 0.359 | 0.956 |
| GGT, U/L | 4.17 | 4.50 | 4.50 | 0.224 | 0.789 |
| Uric acid, mg/dL | 3.12 | 2.95 | 2.69 | 0.154 | 0.538 |
| Creatinine, mg/dL | 0.078 | 0.077 | 0.074 | 0.003 | 0.810 |
| Urea, mg/dL | 1.04 | 1.04 | 0.958 | 0.065 | 0.839 |
ADFI Average daily feed intake, C Control, BSF Black soldier fly, YM Yellow mealworm, SEM Standard error of the mean, H/L Heterophil to lymphocyte ratio, AST Aspartate-aminotransferase, ALT Alanine-aminotransferase, GGT Gamma-glutamyl transferase
1Three dietary treatments: C: control, commercial feed; BSF: commercial feed + 5% live BSF larvae; YM: commercial feed + 5% live YM larvae
a,bMeans with superscript letters denote significant differences among treatments (P < 0.05)