Claims
- 1. The method of increasing feed intake in healthy, immature sheep, pig or cattle subjects comprising administering orally or by implant to said subjects a quantity effective for increasing feed intake but nontoxic to the subject of an active ingredient having the formula:
- RR'R"CX
- in which:
- R is lower alkyl of from 1-9 carbons or hydroxy lower alkyl of from 1-9 carbons;
- R' is lower alkyl of from 1-9 carbons, fluoro, bromo or chloro;
- R" is lower alkyl of from 1-9 carbons, lower alkenyl of from 2-9 carbons, lower alkynyl of from 2-9 carbons and, when R and R' are lower alkyl or hydrogen, R" is phenyl; and
- X is --NHCONH.sub.2, --ONHCONH.sub.2, --OCONH.sub.2 or --CONHCONH.sub.2 said increase in feed intake resulting in a faster rate of weight gain.
- 2. The method of claim 1 in which R, R' and R" are lower alkyl of from 1-5 carbons.
- 3. The method of claim 1 in which the subject is sheep or cattle.
- 4. The method of claim 2 in which the subject is sheep or cattle.
- 5. The method of claim 1 in which the internal administration is orally and admixed with the animal feed.
- 6. The method of claim 5 in which the quantity of active ingredient is from about 10 g.-2 kg. per ton of feed.
- 7. The method of claim 5 in which the quantity of active ingredient is about 50 mg.-10 g. per subject.
Parent Case Info
This application is a continuation-in-part of our copending Ser. No. 328,235, filed Jan. 31, 1973, issued Dec. 3, 1974 as U.S. Pat. No. 3,852,473 and subsequently on Mar. 25, 1975 as Ser. No. 561,728 a reissue application to correct an inadvertent error was filed which is still pending.
US Referenced Citations (6)
Foreign Referenced Citations (1)
Number |
Date |
Country |
851,646 |
Oct 1960 |
UK |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
328235 |
Jan 1973 |
|