Results 161 to 170 of about 2,614 (204)
Bacillus velezensis CL197: a zearalenone detoxifying strain isolated from wheat with potential to be used in animal production. [PDF]
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Journal of Veterinary Pharmacology and Therapeutics, 1983
A radioimmunoassay for zeranol has been validated and used to measure the concentration of zeranol in the urine of sheep and cattle treated with zeranol (Ralgro). The assay uses an antibody raised against zeranol‐16‐carboxy‐propyl ether conjugated to human serum albumin. In sheep and cattle urine the limits of detection were approximately 2 ng/ml and 2.
S N, Dixon, K L, Russell
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A radioimmunoassay for zeranol has been validated and used to measure the concentration of zeranol in the urine of sheep and cattle treated with zeranol (Ralgro). The assay uses an antibody raised against zeranol‐16‐carboxy‐propyl ether conjugated to human serum albumin. In sheep and cattle urine the limits of detection were approximately 2 ng/ml and 2.
S N, Dixon, K L, Russell
openaire +2 more sources
Journal of Veterinary Pharmacology and Therapeutics, 1986
Using a monoclonal antibody raised against zeranol, a radioimmunoassay has been validated for the determination of zeranol residues in the faeces of treated steers. The limit of decision defined as the mean apparent concentration of zeranol in the faeces of untreated cattle + 3 SD was 1 ng/g faeces.
S N, Dixon, C B, Mallinson
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Using a monoclonal antibody raised against zeranol, a radioimmunoassay has been validated for the determination of zeranol residues in the faeces of treated steers. The limit of decision defined as the mean apparent concentration of zeranol in the faeces of untreated cattle + 3 SD was 1 ng/g faeces.
S N, Dixon, C B, Mallinson
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New Zealand Veterinary Journal, 1983
Abstract Extract Sir:- It is well documented in the literature that bulls grow 10–20% faster and have a higher efficiency of feed conversion than steers.(3)(4)(5) New Zealand's beef production could well be increased markedly if more dairy and traditional beef calves are fattened as bulls. The secondary sex characteristics (behaviour problems) of bulls
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Abstract Extract Sir:- It is well documented in the literature that bulls grow 10–20% faster and have a higher efficiency of feed conversion than steers.(3)(4)(5) New Zealand's beef production could well be increased markedly if more dairy and traditional beef calves are fattened as bulls. The secondary sex characteristics (behaviour problems) of bulls
openaire +3 more sources
Journal of Veterinary Pharmacology and Therapeutics, 1986
Rapid solvent extraction combined with a radioimmunoassay using a nionoclonal antibody raised against a derivative of zeranol has been used to measure the residues of the anabolic agent zeranol in the edible tissues (muscle, liver, kidney and fat) of cattle treated with Ralgro.Calibration curves, both with and without, tissue extracts exhibit good ...
S N, Dixon, K L, Russell
openaire +2 more sources
Rapid solvent extraction combined with a radioimmunoassay using a nionoclonal antibody raised against a derivative of zeranol has been used to measure the residues of the anabolic agent zeranol in the edible tissues (muscle, liver, kidney and fat) of cattle treated with Ralgro.Calibration curves, both with and without, tissue extracts exhibit good ...
S N, Dixon, K L, Russell
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Effects of zeranol upon bovine testicular function
Theriogenology, 1985Effects of zeranol upon testicular function in bulls were studied. In Experiment I, young bulls (104+/-1.7 days of age) were either implanted with 36 mg zeranol or served as controls with reimplantation on days 56 and 112 after first implant. After a 168-day treatment period, half the bulls were orchidectomized with the remaining bulls assigned to a ...
P E, Juniewicz, T H, Welsh, B H, Johnson
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Food Additives and Contaminants, 2003
Many zeranol immunoassay test kits cross-react with toxins formed by naturally occurring Fusarium spp. fungi, leading to false-positive screening results. This paper describes the evaluation and application of recently published, dry reagent time-resolved fluoroimmunoassays (TR-FIA) for zeranol and the toxin alpha-zearalenol.
Cooper, K M +12 more
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Many zeranol immunoassay test kits cross-react with toxins formed by naturally occurring Fusarium spp. fungi, leading to false-positive screening results. This paper describes the evaluation and application of recently published, dry reagent time-resolved fluoroimmunoassays (TR-FIA) for zeranol and the toxin alpha-zearalenol.
Cooper, K M +12 more
openaire +4 more sources