Irish Veterinary Journal

Table 3 Effect of pulsation pattern (alternate = 2 × 2, simultaneous = 4 × 1) with WB and NB cluster types on mean teat tissue changes (mm), milk yield (kg) and milking time (seconds) with low-level milking - Experiment 3

From: Effect of liner design, pulsator setting, and vacuum level on bovine teat tissue changes and milking characteristics as measured by ultrasonography

	2 × 2	4 × 1	2 × 2	4 × 1
	N.B1	W.B	W.B	N.B1	s.e.d
Canal length	2.59	2.54	2.75	2.34	0.31
Teat diameter	- 0.03^a	0.65^c	1.00^c	- 0.20^a	0.29
Cistern diameter	- 6.87	- 7.50	- 7.30	- 6.88	0.95
Wall thickness	2.34	3.08	3.36	2.43	0.45
Teat length	8.47	10.84	9.31	9.53	0.99
Mean milk yield	13.79^b	15.09^b	14.1 b	12.72^a	0.76
Mean milking time	517^a	595^c	444^a	674^c	58

s.e.d: standard error difference
Values with different superscripts, within rows, differ significantly, ^ab P < 0.05, ^ac P < 0.01.

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ISSN: 2046-0481

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