Swine Growth and Composition as Associated with Total Serum Cholesterol

Heidenreich, C. J.; Garwood, V. A.; Harrington, R. B.

doi:10.2527/jas1964.232496x

Cited by 10 publications

(3 citation statements)

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“…Initial plasma cholesterol concentration had no effect on longissimus muscle area of carcasses from lambs. A negative correlation between plasma cholesterol concentration and lean content were noted for growing calves (Edfors-Lilja et al, 1978) and swine (Heidenreich et al, 1964). Shear force, which is an index of tenderness, was not affected by diet, which is in agreement with our previous work (Lough et al, 1993).…”

Section: Resultssupporting

confidence: 89%

“…Initial plasma cholesterol concentration had no effect on dressing percentage, S.C. fat thickness, body wall fat thickness, or kidney and pelvic fat. Positive correlations between plasma cholesterol concentration and fat content were noted for growing calves (Edfors-Lilja et al, 1978) and swine (Heidenreich et al, 1964). Wheeler et al (1987) noted significant positive correlations between serum cholesterol and carcass fat percentage ( .7 1) in growing cattle.…”

Section: Resultsmentioning

confidence: 98%

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The effects of high-forage diets with added palm oil on performance, plasma lipids, and carcass characteristics of ram lambs with initially high or low plasma cholesterol1

Lough

Solomon

Rumsey

et al. 1994

Journal of Animal Science

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The objectives of this study were to examine the interaction between added palm oil in high-forage diets and initial concentration of plasma cholesterol on performance, plasma lipids, and carcass characteristics of growing ram lambs. Thirty-two Hampshire-Suffolk ram lambs (initial BW = 34.4 kg) were assigned to a 2 x 2 factorial design consisting of diet (basal [NPO] or 10.7% added palm oil [PO]) and initial plasma cholesterol concentration (high mean = 50 mg/dL [HC] or low mean = 38 mg/dL [LC]; SEM = 2; P = .01). The lambs were individually fed diets (77% forage-23% concentrate) that contained 16.0% CP, 2.14 Mcal of ME/kg (NPO), and 2.62 Mcal of ME/kg (PO). Metabolizable energy intakes were adjusted to .20 Mcal/kg of BW.75 for both dietary treatments. Lambs were weighed and feed intakes adjusted weekly. Lambs were bled via jugular venipuncture on d 28, 56, and 84 and lambs were slaughtered after they had been fed the diets for 90 d. Plasma concentrations of total cholesterol, high-density lipoprotein cholesterol, triglycerides, and nonesterified fatty acids were increased (P = .01) by feeding PO. Lambs fed PO were fatter than lambs fed NPO, as indicated by greater subcutaneous fat thickness and kidney and pelvic fat. Initial plasma cholesterol concentration had little effect on any of the parameters measured. Lambs fed PO had fatter carcasses than lambs fed NPO at calculated equalized ME intakes, which indicates that energy deposition is more efficient in palm oil-supplemented diets.

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