Table 4. Effects of diffrent the flattening rate the welfare quality scores and assessment

Welfare principles assessment	0%	20%	30%	40%	50%	p-value
Good feeding
Socre min	100	100	100	100	100	0.001
Socre max	100	100	100	100	100
SD	0	0	0	0	0
Good housing
Socre min	78	87	89	94	96	0.157
Socre max	100	100	100	100	100
SD	13.9	7.98	6.75	3.48	2.13
Good health
Socre min	75	96	95	96	94	0.076
Socre max	100	100	98	99	98
SD	13.46	2.19	2.02	1.77	2.25
Appropriate behavior
Socre min	10	15	18	19	19	0.240
Socre max	10	15	22	39	49
SD	0	0	2.83	14.14	21.21