Cited by 198Pharmacological Effects and AssaysAnimal Nutrition and PhysiologyMeat and Animal Product Quality

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The effect of various levels of ractopamine hydrochloride on the performance and carcass characteristics of finishing swine.

Watkins, L E, Jones, D J, Mowrey, D H, Anderson, D B, Veenhuizen, E L·1990·Journal of Animal Science

DOI 10.2527/1990.68113588x

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Abstract

Six trials involving 888 pigs (Study 1) and three trials involving 360 pigs (Study 2) were conducted at various geographical locations in the U.S. and Canada to evaluate the effect of ractopamine hydrochloride on the performance and carcass characteristics of finishing swine. All trials were conducted using a randomized complete block design. Trial data were pooled within study for statistical analysis. Pigs averaged approximately 64.5 kg (Study 1) and 65.9 kg (Study 2) initially and had ad libitum access to a 16% crude protein corn-soybean meal or barley-soybean meal diet. Ractopamine was included in the diet at 0, 2.5, 5, 10, 20 or 30 ppm (Study 1), or at 0, 5, 10, 15 or 20 ppm (Study 2); diets were fed for an average of 45 d (Study 1) and 50 d (Study 2) to a final weight of about 104.3 kg (Study 1) and 106.6 kg (Study 2). Carcass dissection data were collected in three of the six trials in Study 1 (0, 5 and 20 ppm ractopamine) and in all three trials in Study 2 (0, 5, 10, 15 and 20 ppm ractopamine). All ractopamine levels improved (P less than .05) ADG and feed: gain (Studies 1 and 2) above those of control pigs. Ractopamine levels of 10 to 30 ppm (Studies 1 and 2) improved (P less than .05) dressing percentage over controls. Pigs fed ractopamine at 5 and 20 ppm (Study 1) and 10, 15 and 20 ppm (Study 2) had increased (P less than .05) dissected leanness compared with controls.(ABSTRACT TRUNCATED AT 250 WORDS)

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“…ne soit pas amenée à se développer. c) β-agonistes Chez le porc, administré dans l’aliment à la dose de 5-20 ppm, la ractopamine améliore l’efficacité alimentaire et le gain de poids tout en abaissant la proportion de tissu adipeux dans la carcasse (Watkins et al 1990, Crome et al 1996, FOIS 1999).”
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Background
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Influence of ractopamine supplementation on Salmonella in feeder pigs
Edrington, T. S., Genovese, K. J., Callaway, T. R., et al. (2005) · International Conference on the Epidemiology and Control of Biological, Chemical and Physical Hazards in Pigs and Pork · doi:10.31274/safepork-180809-739
“Ractopamine hydrochloride is a synthetic b-agonist that repartitions nutrients to increase lean vs adipose disposition (Ricks et al, 1984; Moody et al, 2000) and improves performance, carcass leanness and dressing percent in finishing pigs (Anderson et al, 1987; Watkins et al, 1990).”
Background
Effect of intralitter size on 60 and 95 day fetal myogenesis and development in the pig
Feldpausch, J. A. (2015) · K-State Research Exchange (Kansas State University)
Características químicas y sensoriales de la carne de cerdo, en función del consumo de dietas con ractopamina y diferentes concentraciones de lisina Effect of ractopamine and different lysine concentrations in pig diets on pork chemical and sensory characteristics
Mariezcurrena-Berasaina, M. A., Braña-Varelab, D., Dolores, M., et al. (2012)
EFECTO DE VARIOS NIVELES DE TREONINA: LISINA SOBRE PARAMÉTROS PRODUCTIVOS EN CERDOS EN FINALIZACION TRATADOS CON RACTOPAMINA EFFECT OF VARIOUS LEVELS OF THREONINE:LYSINE ON PRODUCTION PARAMETERS IN FINISHING PIGS TREATED WITH RACTOPAMINE
Eduardo, J., Suescún, P., Alonso, H., et al. (2008)
Efecto de Paylean ® sobre el desempeño productivo y la calidad de la carne de cerdo
Paniagua, E. R. (2004)
Interação ractopamina, cromo e restrição alimentar em suínos terminados
Pinheiro, M. D. S. M. (2018) · doi:10.11606/t.74.2018.tde-03072018-133310
Učinak subkronične primjene raktopamina na kemijski sastav i razine ostataka u svinjskom mesu
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Feeding Ractopamine Improves the Growth Performance and Carcass Characteristics of the Lard-Type Mangalica Pig
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Background
Immunological effects of ractopamine in rabbits receiving the viral inactivated rabbit hemorrhagic disease vaccine
Shams, G. A., Ibrahim, H., Hassan, H., et al. (2024) · Open Veterinary Journal · doi:10.5455/ovj.2024.v14.i1.12
“It belongs to the phenethylamine category of ß-adrenergic agonists (Watkins et al. , 1990).”
Background
Feeding beta adrenergic agonists alters mitochondria metabolism in porcine skeletal muscle
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The Effects of Days on Feed and Ractopamine HCL Administration on Growth and Carcass Traits of Yearling Heifers
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Combining NMR and MS fingerprinting for fine characterization of lipid profiles. : Application to a chemical food safety issue
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Authors: Watkins, L. E., Jones, D. J., Mowrey, D. H., Anderson, D. B., & Veenhuizen, E. L.
Affiliations: Eli Lilly (United States) (US)
ORCID: Anderson, D B
Venue: Journal of Animal Science
Publisher: Oxford University Press (OUP)
Published: 1990
Volume: 68
Issue: 11
Pages: 3588
ISSN: 0021-8812 (ISSN-L)
DOI: 10.2527/1990.68113588x
OpenAlex: W191217324
Cited by: 198
References: 0
Citations by year: 2025: 2 · 2024: 1 · 2023: 2 · 2022: 3 · 2021: 2 · 2020: 2 · 2019: 1 · 2018: 4 · 2017: 6 · 2016: 8 · 2015: 5 · 2014: 6 · 2013: 10 · 2012: 18
FWCI: 12.58
Type: journal article
Language: en
Open access: closed
Locations: Journal of Animal Science (publishedVersion)
PubMed (publishedVersion)
Topics: Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Pharmacological Effects and Assays
Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Nutrition and Physiology
Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Meat and Animal Product Quality
Keywords: ractopamine hydrochloride, fattening pigs, growth performance, carcass characteristics, average daily gain, feed efficiency, carcass yield, carcass leanness, feed additive dosage, corn-soybean meal diet
MeSH terms: Adipose Tissue, Adrenergic beta-Antagonists, Animals, Eating, Female, Growth Substances, Male, Muscles, Phenethylamines, Swine, Weight Gain, Muscle Development

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The effect of various levels of ractopamine hydrochloride on the performance and carcass characteristics of finishing swine.

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