Production and Carcass Quality Responses of Early and Late Marketed Large Toms to Added Dietary Fat During the Finishing Period

Moran, E. T.

doi:10.3382/ps.0610919

Cited by 13 publications

(8 citation statements)

References 11 publications

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“…The former observation supports the findings of Salmon (1974) and Moran (1982), and the latter observation supports the findings of Clayton et al (1978). The weights of wings, drumsticks, and thighs expressed a percentage of carcass weight decreased with age of the turkeys in the present experiment, confirming similar observations of Larsen et al (1986).…”

Section: Discussionsupporting

confidence: 94%

“…The age of turkeys at time of processing has a very large effect on eviscerated carcass yield when expressed as a percentage of live weight (Moran, 1982) or on breast meat yield when expressed as a percentage of carcass weight (Orr et al, 1974;Moran et al, 1984) or on both (Moran et al, 1970(Moran et al, , 1971Salmon, 1974Salmon, , 1983Clayton et al, 1978;Wesley et al, 1981;Salmon et al, 1982;Larsen et al, 1986). These measurements were increased from 72 to 79% for eviscerated carcass yield as a percentage of live weight and from 27 to 35% for breast meat yield as a percentage of eviscerated carcass weight for turkeys between 12 and 24 wk of age (Salmon, 1974).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Effects of Dietary Protein and Added Fat on Turkeys Varying in Strain, Sex, and Age

BLAIR¹,

POTTER²,

HULET³

1989

Poultry Science

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The effects of dietary protein and added fat on carcass characteristics were determined at various ages for female and male turkeys and from three strains: Nicholas Large White (N), Jaindl Large White (JL), and Jaindl Medium White (JM). A total of 1,350 turkeys was divided into 36 pens and fed diets containing 0, 5, or 10% added fat and standard or high protein levels from 8 wk of age to time of processing. One-fourth of the females and one-third of the males from each pen were processed at 16, 20, 24, or 28 wk and at 20, 24, or 28 wk, respectively. Breast meat weight, expressed as a percentage of carcass weight, was greater for JM and JL turkeys than for N turkeys (34.6, 33.9, and 31.7%, respectively), increased with age (31.9, 34.1, and 34.2% at 20, 24, and 28 wk of age, respectively), was greater for females than for males (34.2 and 32.6%, respectively), decreased with added fat (33.7, 33.4, and 33.1% for 0, 5, and 10% fat, respectively) and increased with a 3% addition of dietary protein (33.2 and 33.6%, respectively).

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Section: Discussionsupporting

confidence: 94%

Section: Introductionmentioning

confidence: 99%

Effects of Dietary Protein and Added Fat on Turkeys Varying in Strain, Sex, and Age

BLAIR¹,

POTTER²,

HULET³

1989

Poultry Science

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“…Growth and feed efficiency responses of the turkey to dietary fat supplementation are well documented (Yacowitz et al, 1956;Potter et al, 1984;Sell and Owings, 1981;Moran, 1982). The magnitude of the response was found to increase with age (Salmon and O'Neil, 1973;Potter et al, 1974).…”

Section: Introductionmentioning

confidence: 81%

Response of Growing Turkeys to Dietary Fat

et al. 1988

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Growth, feed efficiency, and carcass fat were evaluated in turkeys fed diets in which added fat varied, holding energy or the calories:protein ratio constant. In the 1 to 3-wk-old turkey, growth and feed efficiency increased with dietary energy, but did not change significantly when fat was added isocalorically. The 12 to 14-wk-old turkey responded with improved growth and feed efficiency when dietary fat was added either isocalorically or with increasing energy density. However, the response to the isocaloric fat addition was smaller in magnitude than the response when fat was added without calorie adjustment. No difference could be detected in 12 to 15-wk-old turkeys in the performance response to tallow and soybean oil. Carcass fat deposition generally increased with dietary fat supplementation, regardless of the caloric change. The results suggest that in the midterm of development of the growing turkey, dietary fat per se affects growth, feed efficiency, and carcass fat. Growth and feed efficiency responses to nutrient density occur in both young and older birds.

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“…Considerable work has been reported comparing growth performance in response to varying dietary protein and energy combinations (Moran, 1982;Salmon et al, 1982;Salmon, 1983Salmon, , 1986Sell et al, 1985;Summers et al, 1985;Blair et al, 1988). Summers et al (1985) found no differences in yield of edible meat with turkeys fed varying protein or energy in the diet.…”

Section: Introductionmentioning

confidence: 97%

Effects of Lighting and Dietary Energy Source on Male Market Turkeys.

1993

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Two experiments were conducted with 528 and 500 Large White male turkeys to determine the effects of feeding either wheat or corn as the energy source and the effects of four different lighting treatments on growth, feed consumption, and feed conversion in a factorial arrangement. Wheat and corn diets were freely provided during the experiments and the lighting treatments began at 8 wk of age. The lighting treatments included: continuous light [C, 24 h light (L):0 h dark (D)], light decreasing 1 h/day per week until it reached 16L:8D (Dl), light decreasing 2 h/day per week until it reached 16L:8D (D2), and intermittent light (I, 4L:2D). All birds were processed when the C birds were estimated to weigh 11.36 kg. No differences in body weight, feed consumption, or feed efficiency were found from 0 to 8 wk of age between turkeys fed diets with either wheat or corn as the energy source. For the period of 8 to 18 wk in Experiment 1 and 8 to 16 wk in Experiment 2, turkeys fed wheat diets were, respectively, .75 and 4.09% (P < .05) heavier than birds fed corn diets. Experiments 1 and 2 indicated decreased growth performance when decreasing day length treatments (Dl and D2) were used. (

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Production and Carcass Quality Responses of Early and Late Marketed Large Toms to Added Dietary Fat During the Finishing Period

Cited by 13 publications

References 11 publications

Effects of Dietary Protein and Added Fat on Turkeys Varying in Strain, Sex, and Age

Effects of Dietary Protein and Added Fat on Turkeys Varying in Strain, Sex, and Age

Response of Growing Turkeys to Dietary Fat

Effects of Lighting and Dietary Energy Source on Male Market Turkeys.

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