Health and growth performance of barrows reared in all-in/all-out or continuousflow facilities with or without a chlortetracycline feed additive. | Am J Vet Res | 1999 May | 10328431 |
Determination of oxytetracycline, tetracycline, and chlortetracycline in milk by liquid chromatography with postcolumn derivatization and fluorescence detection. | J AOAC Int | 1999 Jan-Feb | 10028670 |
Identification and semiquantitative estimation of antibiotics added to completefeeds, premixes, and concentrates. | J AOAC Int | 1999 Jan-Feb | 10028666 |
Effects of oral chlortetracycline and dietary protein level on plasmaconcentrations of growth hormone and thyroid hormones in beef steers before andafter challenge with a combination of thyrotropin-releasing hormone and growthhormone-releasing hormone. | J Anim Sci | 1999 Aug | 10461985 |
A preliminary survey of antibiotic resistance of Salmonella in market-age swine. | Adv Exp Med Biol | 1999 | 10659370 |
Effect of Aspergillus oryzae extract alone or in combination with antimicrobialcompounds on ruminal bacteria. | J Dairy Sci | 1998 Jun | 9684165 |
Iso- and epi-iso-chlortetracycline and the principal metabolites ofchlortetracycline in the hen's egg. | J Chromatogr A | 1998 Jul 3 | 9691329 |
Liver abscesses in feedlot cattle: a review. | J Anim Sci | 1998 Jan | 9464910 |
Production of CTC-containing porcine reference materials. | Analyst | 1998 Dec | 10435294 |
Metabolism of chlortetracycline: drug accumulation and excretion in the hen'segg. | Analyst | 1998 Dec | 10435275 |