Applicability of Ammonia Sensors for Controlling Environmental Parameters in Accommodations for Lamb Fattening

Table 4

Number of observations (N), mean, and standard deviation (SD) of indoor temperature and relative humidity for every period that the test was performed.

Week	1 (5–13/May/05)			2 (13–20/May/2005)			3 (14–17/Jun/05)			4 (17–29/Jun/05)
Variables	N	Mean	SD	N	Mean	SD	N	Mean	SD	N	Mean	SD
Temperature (°C)	33,660	16.4	4.31	29,400	14.8	3.9	13,590	21.7	4.5	49,149	27.4	4.3
HR (%)	33,660	63.1	15.5	29,400	65.6	12.2	13,590	59.7	13.8	49,149	47.7	15.5

Different superscripts (a, b, c, d) denote significant differences .