Table 1.

Gelding red blood cell count before and after anaphylactic reaction to sodium ceftriaxone, which occurred on day 1

	Basal	Day 2	Day 3	Day 6	Day 10	Day 20	Day 21	Day 28	Referencea
Erythrocytes x 106 [cells/ml]	8.40	6.72	6.10	6.32	6.30	3.10	6.20	6.50	6.0–9.7
Hemoglobin [g/dL]	12.5	10.6	9.8	9.8	9.2	4.2	8.6	10.0	8.3–14.4
Hematocrit [%]	38.0	29.5	26.7	27.4	28.0	13.0	27.0	30.0	30–44
MCV [fL]	45.2	-	-	-	44.4	41.9	43.5	46.2	36–52.1
MCH [pg]	14.9	-	-	-	14.6	13.5	13.9	15.4	11.5–18.2
MCHC [g/dL]	32.9	-	-	-	32.9	32.3	31.9	33.4	31.2–34.9
Leucocytes [cells/uL]	10100	9800	12900	5700	11200	10800	14800	9500	6400–10600
Basophiles [cells/uL]	0	0	0	0	0	0	0	0	0
Eosinophils [cells/uL]	808	0	0	100	112	216	148	285	0–320
Segmented Neutrophils [cells/uL]	6060	7800	9100	6600	8736	6804	11692	5700	2775–7530
Rod Neutrophils [cells/uL]	202	0	100	0	448	216	1480	285	94–420
Lymphocytes [cells/uL]	2727	2100	800	2900	1680	3348	1184	3135	1088–5096
Monocytes [cells/uL]	303	100	0	400	224	216	296	190	90–318
Platelets [cells/uL]	194000	246000	242000	279000	323000	90000	96000	368000	90000–322000

MCV mean corpuscular volume; MCH mean corpuscular hemoglobin; MCHC mean corpuscular hemoglobin concentration

^aReference ranges obtained for total blood cell count for 33 domestic horses of different breeds, serum negative for Borrelia burgdorferi, kept under the same feeding and management conditions