Table 3.

Effect of water and water bottle location on voiding pattern in new rectangular cages

	New Rectangular Cage
	Water Restricted (n = 51)	Water With Regular Nozzle (n = 50)	Water With Nonleaking Nozzle (n = 51)
PVS per filter, n	1.73 ± 0.79	2.14 ± 1.13	2.76 ± 1.23*
Size of PVS, mm2	555.36 ± 246.11 (n = 88)	474.85 ± 261.80 (n = 107)	377.01 ± 179.69* (n = 141)
Total area of PVS per filter, mm2	947.39 ± 309.31	1,011.38 ± 377.43	1,042.33 ± 360.24
Total area of all spots per filter, mm2	991.90 ± 316.84	1,063.88 ± 406.05	1,094.52 ± 360.31
PVS per total area, %	95.58 ± 5.78	95.68 ± 5.87	94.81 ± 4.91

Values are means ± SD. PVS, primary voiding spots.

^*P < 0.05.