Federal Register - October 20, 2021
Versione di testo Cosa è?Dateas è un sito indipendente non affiliato a entità governative. La fonte dei documenti PDF che pubblichiamo qui è l'entità governativa indicata in ciascuno di essi. Le versioni in testo sono trascrizioni che realizziamo per facilitare l'accesso e la ricerca di informazioni, ma possono contenere errori o non essere complete.
Source: Federal Register
lotter on DSK11XQN23PROD with RULES1
58002
Federal Register / Vol. 86, No. 200 / Wednesday, October 20, 2021 / Rules and Regulations
Chlortetracycline amount
Combination in grams/
ton
Indications for use
Limitations
xiii to provide 10 mg/lb of body weight daily.
Lasalocid, 25 to 30
Cattle fed in confinement for slaughter: For treatment of bacterial enteritis caused by Escherichia coli and bacterial pneumonia caused by Pasteurella multocida organisms susceptible to chlortetracycline; and for increased rate of weight gain and improved feed efficiency.
xiv 500 to 4,000 to provide 10 mg/lb of body weight daily.
Lasalocid, 30 to 600
Pasture cattle slaughter, stocker, feeder cattle, dairy and beef replacement heifers: For treatment of bacterial enteritis caused by Escherichia coli and bacterial pneumonia caused by Pasteurella multocida organisms susceptible to chlortetracycline; and for increased rate of weight gain.
xv 500 to 4,000 g/ton to provide 10 mg/lb of body weight daily.
Lasalocid, 30 to 600:
Melengestrol acetate, 0.5 to 2 g/ton to provide 0.5 mg/head/day melengestrol acetate.
Replacement dairy heifers on pasture less than 20 months of age and replacement beef heifers on pasture:
For treatment of bacterial enteritis caused by Escherichia coli and bacterial pneumonia caused by Pasteurella multocida organisms susceptible to chlortetracycline, increased rate of weight gain, and suppression of estrus heat.
Feed continuously in complete feed for not more than 5 days to provide 10 mg chlortetracycline per lb.
body weight per day and not less than 250 mg or more than 360 mg lasalocid per head per day. Do not allow horses or other equines access to feeds containing lasalocid.
No withdrawal period is required. A
withdrawal period has not been established for this product in pre-ruminating calves. Do not use in calves to be processed for veal.
See 558.311d of this chapter.
Lasalocid as provided by No.
054771 in 510.600c of this chapter.
Feed continuously on a hand-fed basis for not more than 5 days to provide 10 mg chlortetracycline per lb. body weight per day and not less than 60 mg or more than 300
mg lasalocid per head per day in at least 1 pound of feed. Daily lasalocid intakes in excess of 200
mg/head/day in pasture cattle have not been shown to be more effective than 200 mg lasalocid/head/
day. Do not allow horses or other equines access to feeds containing lasalocid. No withdrawal period is required. A withdrawal period has not been established for this product in pre-ruminating calves. Do not use in calves to be processed for veal. See 558.311d of this chapter. Lasalocid as provided by No. 054771 in 510.600c of this chapter.
The melengestrol acetate Type C
top-dress medicated feed must be top dressed onto or mixed at feeding with a Type C medicated feed containing 500 to 4,000 g/ton of chlortetracycline and 30 to 600 g/
ton lasalocid to provide 10 mg chlortetracycline per lb body weight per day and not less than 60 mg or more than 300 mg lasalocid per head per day in at least 1 pound of feed for not more than 5 days.
After completing feeding of this combination, continue feeding a Type C top-dress medicated feed containing melengestrol acetate alone for a total time not exceeding 24 days of feeding. See 558.311d of this chapter. Chlortetracycline, lasalocid, and melengestrol as provided by No.
054771 in 510.600c of this chapter.
VerDate Sep<11>2014
16:22 Oct 19, 2021
Jkt 256001
PO 00000
Frm 00018
Fmt 4700
Sfmt 4700
E:FRFM20OCR1.SGM
20OCR1
Sponsor 054771
069254
054771
069254
054771
