2000
DOI: 10.1093/ps/79.6.822
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Effects of Conjugated Linoleic Acid. 2. Embryonic and Neonatal Growth and Circulating Lipids

Abstract: The present study was designed to investigate the effects of conjugated linoleic acid (CLA) on yolk usage and circulating very low density lipoproteins (VLDL) during incubation (Day 15) and through 6 d post-hatch. Eggs enriched with CLA were obtained from hens subjected to the following treatments. Group A hens served as the control group, Group B hens received 1 g CLA every other day, Group C hens received 1 g CLA every 4th d, and Group D hens were sham-supplemented with 1 g safflower oil every other day. Enr… Show more

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Cited by 15 publications
(7 citation statements)
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“…At hatch and through the first few days post-hatch, the chick contributes to absorb yolk material. The liver in newly hatched chicken is full of lipids which are absorbed from the yolk (27,55) , followed by the transition from a lipid diet (yolk) to primarily a carbohydrate (standard ration) diet (56) . Therefore, the regulated fatty acid composition in yolk by maternal CLA supplementation further influenced the absorption of fatty acids of embryo, which resulted to the similar fatty acids composition in the liver of chick offspring to that in yolk.…”
Section: Discussionmentioning
confidence: 99%
“…At hatch and through the first few days post-hatch, the chick contributes to absorb yolk material. The liver in newly hatched chicken is full of lipids which are absorbed from the yolk (27,55) , followed by the transition from a lipid diet (yolk) to primarily a carbohydrate (standard ration) diet (56) . Therefore, the regulated fatty acid composition in yolk by maternal CLA supplementation further influenced the absorption of fatty acids of embryo, which resulted to the similar fatty acids composition in the liver of chick offspring to that in yolk.…”
Section: Discussionmentioning
confidence: 99%
“…The suitable nutrition habitat works on reaching the hatching stage with high vitality enabling the chicks to continue their activities (Wilson. 1997), which was clearly reflected on the vital indicators of the blood physiology of the hatching chicks regarding the exceeding in the blood characteristic to the treatments with feed additives, which is agreed upon by Latour et al (2000) that the feed additives to the broider breeders diet have improved the total protein and cholesterol level and other indicators in the hatched chicks plasma. The differences between the genotypes in most of the vital indicators of the embryos and the hatched chicks might be the reason in varying the performance of the broider breeders, so we might need to conduct more studies to figure out the relation between the embryo's characteristics and the production performance.…”
Section: Resultsmentioning
confidence: 86%
“…But Latour et al (2000a) indicated that the fertility and hatchability of eggs obtained from hens receiving 1 g CLA every other day did not change, nor the body weight of embryos and chicks. After 4 months of CLA feeding, hens exhibited an increase in body weight and egg size; however, there were no differences in feed consumption among the various treatment groups (Latour et al, 2000b). Ahn et al (1999c) reported that egg yolk surface from hens fed CLA diets sometimes had relatively dark color with light spots after storage.…”
Section: Cla and Animal Performancementioning
confidence: 97%
“…This might influence fat accumulation in birds, but no reports about the effect of dietary CLA on fat accumulation in birds are available. In chicken embryos, Latour et al (2000b) showed that enriching eggs with CLA alters relative yolk sac absorption and the composition of circulating VLDL particles during hatching. The metabolizable energy values for CLA seemed not different from linoleic acid in broilers, but the metabolizable energy of CLA sources varied with fatty acid composition and dietary concentration ).…”
Section: Fatty Acid Metabolism In Birdsmentioning
confidence: 99%