Serum Copper and Haematological Values of Sheep of Different Physiological Stages in the Dry and Wet Seasons of Central Trinidad

Table 1

Hematological values and serum copper levels of sheep of different physiological stages in the dry and wet seasons of Central Trinidad.

Blood	Season				Physiological stage
Parameters	Dry		Wet		Growing		Dry pregnant		Lactating		Dry nonpregnant		^xSignificance
𝑁	86		88		41		45		46		42
Parameter	Mean	SE	Mean	SE	Mean	SE	Mean	SE	Mean	SE	Mean	SE	Season	Phys. stage	Phys. × sea.
Red blood cells
Hb (g/L)	94.1	1.63	93.4	1.61	100.8^a	2.35	90.2^bc	2.25	96.0^ab	2.22	88.2^c	2.33	NS	***	NS
PCV (L/L)	0.28	0.01	0.28	0.01	0.30^a	0.01	0.27^bc	0.01	0.28^ab	0.01	0.26^c	0.01	NS	***	NS
MCHC (g/L)	335	0.90	337	0.90	335	1.30	337	1.20	337	1.20	336	1.30	NS	NS	NS
Serum Cu (mg/L)	0.42^c	0.02	0.57^d	0.02	0.50	0.03	0.52	0.023	0.52	0.03	0.44	0.03	***	NS	NS
White blood cells (×10^9/L)
WBC	11.7^c	0.39	9.9^d	0.39	11.9	0.57	10.6	0.54	10.9	0.54	9.7	0.56	***	NS	NS
Neutrophil	4.77^c	0.23	4.00^d	0.28	4.52^a	0.33	4.42^ab	0.32	4.92^a	0.31	3.61^b	0.33	*	*	NS
Lymphocyte	5.81^c	0.25	5.00^d	0.25	6.60^a	0.37	5.18^b	0.35	4.89^b	0.35	5.01^b	0.36	*	**	*
Eosinophil	0.4	0.06	0.48	0.06	0.34^b	0.09	0.44^b	0.08	0.33^b	0.08	0.67^a	0.09	NS	*	NS
Monocyte	0.13^c	0.02	0.06^d	0.01	0.10	0.02	0.08	0.02	0.11	0.02	0.1	0.02	***	NS	NS
Basophil	0.03	0.01	0.02	0.01	0.04	0.01	0.02	0.01	0.03	0.01	0.02	0.01	NS	NS	**
Plasma components
Protein (g/L)	71.4	0.60	72.4	0.60	70.9^b	0.87	70.8^b	0.83	72.0^b	0.82	74.1^a	0.86	NS	*	NS
Fibrinogen (g/L)	3.3	0.16	3.7	0.15	3.5	0.23	3.4	0.21	3.8	0.21	3.1	0.22	NS	NS	NS

Means with different superscripts are significantly different at 𝑃<0.05, protected Fisher’s LSD test.
^xSignificance ^∗𝑃<0.05; ^∗∗𝑃<0.01; ^∗∗∗𝑃<0.001.