Determination of Testicular Blood Flow in Camelids Using Vascular Casting and Color Pulsed-Wave Doppler Ultrasonography

Table 2

Peak systolic velocity (PSV), end diastolic velocity (EDV), and resistance index (RI) for supratesticular and marginal arteries pulsatility from the left (L) and right (R) testes from fourteen camelids as determined using color pulsed-wave Doppler ultrasonography.

Species	Fertility status	Supratesticular artery						Marginal artery
		PSV (cm/s)		EDV (cm/s)		RI		PSV (cm/s)		EDV (cm/s)		RI
		L	R	L	R	L	R	L	R	L	R	L	R
Llama	Fertile	18.20	22.90	3.40	4.70	0.81	0.79	10.90	17.60	5.60	8.20	0.49	0.53
Llama	Fertile	27.90	23.20	6.60	9.30	0.76	0.60	15.90	11.30	10.60	8.60	0.33	0.24
Llama	Fertile	15.10	15.90	4.40	7.70	0.71	0.52	18.10	16.10	7.50	8.50	0.59	0.47
Llama	Fertile	20.80	25.40	5.30	2.00	0.75	0.92	13.20	12.70	8.40	6.90	0.36	0.46
Llama	Fertile	24.80	22.30	7.00	8.50	0.72	0.62	16.10	11.70	8.60	6.70	0.47	0.43
Llama	Fertile	15.40	18.80	1.80	9.70	0.88	0.48	9.80	9.10	5.70	3.90	0.42	0.57
Llama	Fertile	22.70	26.30	8.90	11.90	0.61	0.55	6.40	15.60	3.10	9.80	0.52	0.37
Llama	Infertile	11.10	15.80	3.40	5.40	0.69	0.66	6.30	9.30	4.80	7.80	0.24	0.16
Llama	Infertile	9.40	16.40	3.70	5.80	0.61	0.65	8.50	11.30	5.70	7.80	0.33	0.31
Llama	Infertile	20.40	20.50	4.00	2.50	0.80	0.88	12.30	12.70	6.20	7.60	0.50	0.40
Llama	Infertile	18.20	20.10	7.20	6.60	0.60	0.67	12.60	10.40	7.40	6.30	0.41	0.39
Llama	Infertile	17.30	7.80	5.50	2.80	0.68	0.64	10.00	11.80	6.50	5.90	0.35	0.50
Llama	Infertile	16.00	12.90	2.60	5.10	0.84	0.60	12.30	7.50	8.20	4.90	0.33	0.35
Alpaca	Infertile	12.10	13.30	4.80	3.10	0.60	0.77	9.60	7.80	3.50	3.90	0.64	0.50