Table 2.

Haematological physiological means of sheep compared in the dry and wet seasons of Central Trinidad.

Blood	Growing		Dry pregnant		Lactating		Dry nonpregnant		Significance
Parameters	Dry	Wet	Dry	Wet	Dry	Wet	Dry	Wet
N  Parameters	22	19	20	25	22	24	22	20	LSD	xSignificance
Red blood cells
Haemoglobin (g/L)	98.4	103.7	91	89.6	97.7	94.4	89.1	87.2	9.06	NS
Packed cell volume (L/L)	0.30	0.31	0.27	0.27	0.29	0.28	0.27	0.26	0.027	NS
Mean corpuscular haemoglobin (g/L)	333	338	336	337	336	338	336	335	5.0	NS
Serum Cu (mg/L)	0.42	0.58	0.43	0.62	0.48	0.57	0.35	0.53	0.133	NS
White blood cells (×109/L)
White blood cell count	13.5	10.2	11.4	9.8	11.7	10.1	10.1	9.4	2.18	NS
Neutrophil	4.7	4.4	4.9	3.9	5.5	4.4	4.0	3.2	1.28	NS
Lymphocyte	7.9a	5.2b	5.5b	4.9b	4.9b	4.8b	4.9b	5.2b	1.41	∗
Eosinophil	0.33	0.34	0.43	0.46	0.33	0.32	0.53	0.82	0.33	NS
Monocyte	0.13	0.07	0.10	0.05	0.19	0.04	0.11	0.10	0.08	NS
Basophil	0.07a	0.01b	0.01b	0.03b	0.04b	0.02b	0.01b	0.25b	0.04	∗∗
Plasma components
Protein (g/L)	70.1	71.7	69.8	71.8	72.8	71.2	72.9	75.3	3.36	NS
Fibrinogen (g/L)	3.3	3.7	3.3	3.6	3.6	4.1	3.0	3.2	0.87	NS

Means with different superscripts are significantly different at P < 0.05, protected Fishers LSD test.

^xSignificance *P < 0.05; **P < 0.01; NS: not significant.