头孢洛宁乳房注入剂（干乳期）在牛奶中的残留消除

头孢洛宁乳房注入剂（干乳期）在牛奶中的残留消除

闫超群,李帅鹏,张申,谢顺,魏开赟,黄显会

Residue Depletion Study and Withdrawal Period for Cefalonium Intramammary Infusion (Dry cow) in Bovine Milk

YAN ChaoQun,LI ShuaiPeng,ZHANG Shen,XIE Shun,WEI KaiYun,HUANG XianHui

表3 牛奶中头孢洛宁的残留量（初产奶牛）

Table 3 Cephalonium residues in milk (primiparous dairy cows,μg·kg^-1）

奶牛数 The number of cows	干奶期时间 Dry period (d)	采样时间Sampling time (h)
奶牛数 The number of cows	干奶期时间 Dry period (d)	6	12	24	36	48	60	72	96	120
16	84	2.37	2.13	<LOQ	<LOQ	<LOQ	<LOQ	<LOQ	ND	ND
1	66	2.21	<LOQ	<LOQ	<LOQ	<LOQ	<LOQ	<LOQ	<LOQ	ND
3	44	2.91	<LOQ	<LOQ	<LOQ	<LOQ	<LOQ	<LOQ	<LOQ	ND
41	51	57	<LOQ	<LOQ	<LOQ	<LOQ	<LOQ	ND	ND	ND
52	39	231	<LOQ	<LOQ	<LOQ	ND	ND	ND	ND	ND
53	42	3.25	2.36	2.21	2.35	2.09	<LOQ	<LOQ	<LOQ	ND
78	33	516	135	17.0	4.94	ND	ND	ND	ND	ND
18	98	2.28	<LOQ	<LOQ	<LOQ	<LOQ	<LOQ	ND	ND	ND
9	48	<LOQ	<LOQ	<LOQ	<LOQ	<LOQ	ND	ND	ND	ND
70	53	2.51	2.15	<LOQ	<LOQ	<LOQ	ND	ND	ND	ND