*05. V0605. Gasqui. Individual

Table III. Distribution of the number of clinical mastitis observed and estimated with three models,
for 315 lactations.
Mastitis number per lactation
0
1
2
3 and more
Observed number
244
47
15
9
Estimated number with MI model
240
50
17
8
Estimated number with MP model
227
70
15
3
Estimated number with MM model
236
59
14
6
Table V. Distribution of the number of clinical
mastitis estimated (observed) with the MI model
by initial production level.
Initial production 
0 
1 
2 
3 and 
level
more
Less than 16 kg
72 (75)
12 (8)
4 (4) 2 (2)
16 to 20 kg 
69 (70) 13 (13) 4 (4) 2 (2)
20 to 24 kg 
57 (61) 13 (11) 5 (4) 2 (2)
More than 24 kg 42 (38) 11 (15) 4 (3) 2 (3)
Table IV. For each model, 
χ
2
values calculated for each number of clinical mastitis per lactation, total
χ
2
values and estimated parameter number.
χ
2
χ
2
χ
2
χ
2
Total 
χ
2
Estimated 
for 0 
for 1 
for 2 
for 3 and more 
parameter
mastitis mastitis mastitis mastitis 
number
MI model
0.067
0.180
0.235
0.111
0.593
7
MP model
1.273
7.557
0.000
12.000
20.830
15
MM model
0.271
2.441
0.071
1.500
4.283
201

---

P. Gasqui et al.
596
test realised with 0, 1 and 2 and more levels
to have size of classes superior to 5, pro-
vided a 0.85 P-value with 8 degrees of free-
dom and 4.04 
χ
2
value. The initial produc-
tion factor was not statistically significant.