. 2020 Mar 11;99(5):2581–2594. doi: 10.1016/j.psj.2019.12.049

Table 4.

Effect of meat and bone meal, phytase, antibiotics, and necrotic enteritis on erythrocytes, day 16 post-hatch.

Effects	MBM	Phy	AB	RBC (10⁹/mL)¹2.5–3.5	Hgb (g/dl)¹7–13	PCV (%)¹22–52	MCV (fL)¹ 90–140	MCH (pg)¹33–47	MCHC (g/dL)¹26–35	Platelets (10⁶/mL)
Treatment means
1.	−	500	−	2.01	10.9	21.5	107.1	54.4	50.8	0.74^b,c
2.	−	1,500	−	2.25	12.3	24.6	109.5	54.8	50.0	2.72^a,b
3.	−	500	+	2.08	11.2	22.5	108.2	53.9	49.8	3.25^a
4.	−	1,500	+	2.29	12.6	24.6	107.6	55.1	51.2	1.19^a,b,c
5.	+	500	−	2.01	11.1	21.5	107.2	57.2	53.4	1.43^a,b,c
6.	+	1,500	−	2.15	11.9	23.2	107.7	55.5	51.5	0.62^c
7.	+	500	+	2.15	11.7	23.0	107.1	54.3	50.8	0.95^b,c
8.	+	1,500	+	2.15	11.8	23.3	108.3	54.6	50.4	1.09^b,c
Main effects
AB			−	2.06^b	11.2^b	22.12^b	107.4	54.9	51.2	1.60
			+	2.21^a	12.2^b	23.90^a	108.3	54.9	50.8	1.40
P > f
MBM				0.548	0.702	0.441	0.392	0.350	0.214	0.006
Phy				0.317	0.465	0.336	0.894	0.290	0.311	0.468
AB				0.027	0.010	0.014	0.182	0.963	0.650	0.564
MBM × Phy				0.901	0.867	0.835	0.616	0.327	0.254	0.458
MBM × AB				0.257	0.178	0.245	0.955	0.400	0.397	0.654
Phy × AB				0.516	0.575	0.398	0.368	0.455	0.281	0.025
MBM × Phy × AB				0.676	0.573	0.902	0.147	0.754	0.855	0.001

^a,b,c Means in the same column within the main effect, 2-way interaction, or treatment means with different superscripts are different (P < 0.05).

2- or 3-way interaction separated by Tukey.

Abbreviations: AB, salinomycin 60 ppm in S, G, F; Zn bacitracin 100 ppm in S, G and 50 ppm in F; Hgb, hemoglobin; MBM, meat and bone meal; MCH, mean corpuscular hemoglobin and MCHC, mean corpuscular hemoglobin concentration; MCV, mean corpuscular volume; PCV, packed cell volume; Phy, phytase (Quantum Blue 5G); RBC, red blood cells.

Douglas (2000).