Virginiamycin and Laying Hen Performance

Miles, R. D.; Janky, D. M.; Harms, R. H.

doi:10.3382/ps.0640139

Cited by 7 publications

(3 citation statements)

References 5 publications

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“…A similar observation was reported by Ather (2000), who determined that the addition of an essential oil combination to the broiler breeder diet resulted in remarkable improvements on egg production. Our findings are also in agreement with those of several authors (Miles et al, 1985;Bessei, 1994;Jamroz et al, 1998), who reported that the supplementation of AGP to layer hen diet improved egg production rate or egg weight. Egg weight was significantly affected by dietary treatments.…”

Section: Items Dietsupporting

confidence: 94%

Long-term effects of dietary supplementation with an essential oil mixture on the growth and laying performance of two layer strains

Bozkurt

Küçükyılmaz

Pamukçu

et al. 2012

Italian Journal of Animal Science

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One thousand two hundred 1-day-old Lohmann LSL white and Lohmann Brown layer chickens were fed diets supplemented with either an antibiotic growth promoter (AGP) or an herbal essential oil mixture (EOM) till 58 wk of age to reveal the long-term effects of those additives on growth, performance and wholesome egg quality parameters. The study was arranged in a 2¥3 factorial design with two layer strains and three feed additive regimens. Thus, the layer birds of both strains were randomly assigned to the three dietary treatments, i.e., standard basal diet (control), control with AGP (specifically, avilamycin, 10 mg/kg diet) and control with EOM (24 mg/kg diet). The data regarding egg production were recorded between 22 to 58 weeks of age. Neither the dietary treatments nor the bird strain influenced the body weight and mortality of the birds in both the growing and laying period. AGP or EOM supplementation to the laying hen diet significantly increased the egg production rate and egg weight as compared to the control diet alone, but egg mass output, feed consumption, and feed conversion ratio were not affected by the dietary treatments. Neither dietary treatment created any statistically significantly differences in egg quality parameters. The research findings have confirmed the beneficial effects of supplementation with feed-grade EOM on the laying rate and egg weight of both white and brown layers.Indeed, EOM, being a novel feed additive natural origin, proved to be as efficacious as AGP in promoting egg yield.

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Section: Items Dietsupporting

confidence: 94%

Long-term effects of dietary supplementation with an essential oil mixture on the growth and laying performance of two layer strains

Bozkurt

Küçükyılmaz

Pamukçu

et al. 2012

Italian Journal of Animal Science

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“…Miles et al (1981) reported that the addition of virginiamycin to the diet of broilers improved growth and feed efficiency, and in one of two experiments with laying hens egg production was significantly improved.…”

Section: Introductionmentioning

confidence: 97%

The Response of Turkey Poults to Virginiamycin in Diets Containing Various Levels of Supplemental Methionine

Harms

Miles

1983

Poultry Science

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Two experiments were conducted with day-old Nicholas Large White turkey poults. A 2 x 3 factorial arrangement of treatments was used in Experiment 1 (0 and 22 ppm of virginiamycin and 0, .06, and .12% supplemental DL-methionine). A 2 x 4 factorial arrangement of treatments was used in Experiment 2 (0 and 22 ppm of virginiamycin and 0, .04, .08, and .12% DL-methionine). A corn-soybean meal diet was used that contained no supplemental choline and a sulfate-free trace mineral mix. The experiments were conducted for 21 days. Body weight was increased by virginiamycin and by all levels of supplemental methionine. However, feed efficiency was not influenced.

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“…LITERATURE CITED improves feed efficiency in broilers. It increases egg production in laying hens (Keppens et al, 1981; Miles et al, 1985).…”

mentioning

confidence: 99%

[14C]Virginiamycin residues in eggs

Corpet¹,

Baradat²,

Bories³

1988

J. Agric. Food Chem.

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Virginiamycin and Laying Hen Performance

Cited by 7 publications

References 5 publications

Long-term effects of dietary supplementation with an essential oil mixture on the growth and laying performance of two layer strains

Long-term effects of dietary supplementation with an essential oil mixture on the growth and laying performance of two layer strains

The Response of Turkey Poults to Virginiamycin in Diets Containing Various Levels of Supplemental Methionine

[14C]Virginiamycin residues in eggs

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