§ 558.254 - Famphur.

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Approvals. Type A medicated articles: 13.2 and 33.3 percent to 000061 in § 510.600(c) of this chapter.

Special considerations. Famphur is a cholinesterase inhibitor. Do not use this product in animals simultaneously or within a few days before or after treatment with or exposure to cholinesterase-inhibiting drugs, pesticides, or chemicals.

Related tolerances. See § 556.273 of this chapter.

Conditions of use. It is used in the feed for cattle as follows:

Amount. 1.1 milligrams per pound body weight per day.

Indications for use. For control of grubs and as an aid in control of sucking lice.

Limitations. For beef cattle and nonlactating dairy cows; feed for 30 days; withdraw from dry dairy cows and heifers 21 days prior to freshening; withdraw 4 days prior to slaughter.

Amount. 2.3 milligrams per pound body weight per day.

Indications for use. For control of grubs.

Limitations. For beef cattle and nonlactating dairy cows; feed for 10 days; withdraw from dry dairy cows and heifers 21 days prior to freshening; withdraw 4 days prior to slaughter.