The Circulating Levels of Lipoproteins in Embryos and Newly Hatched Ducklings Change with Parental Age&lt;sup&gt;1&lt;/sup&gt;

Braun, Christie M.; Frank, Nicholas; Latour, M. A.

doi:10.1159/000063089

Neonatology

2002

DOI: 10.1159/000063089

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The Circulating Levels of Lipoproteins in Embryos and Newly Hatched Ducklings Change with Parental Age<sup>1</sup>

Christie M. Braun

Nicholas Frank

M. A. Latour

Abstract: The purpose of this study was to investigate the effects of duck breeder age on circulating very low density lipoprotein (VLDL) and low-density lipoprotein (LDL) levels in embryonic (day 25 of incubation) and newly hatched ducklings (hatch and 1, 2, 3, and 5 days after hatch). In this study, embryos and ducklings from one breeder flock were monitored at breeder ages 24 weeks (young breeders), 31 weeks (mature breeders and near peak egg production), and 47 weeks (after peak egg production). Embryos and newly ha… Show more

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Cited by 4 publications

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“…The biggest obstacle for people in consuming duck eggs is their concern about their high cholesterol content (4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20)(21)(22). Cholesterol is an amphipathic lipid that is important in regulating membrane permeability and fluidity, and also as an outer layer of plasma lipoproteins (3).…”

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confidence: 99%

Study of Local Duck Rations from Colocasia Esculenta Flour on Egg Production and Cholesterol Content

Suhaemi

Hayati

2020

Eksakta

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Colocasia esculenta is the plants feed ingredients shown to reduce the cholesterol content of livestock products, such as in ducks. This study aims to examine the use of Colocasia esculenta Scho. plant in local duck rations on egg production, and the content of cholesterol and triglycerides. As a treatment in this study were the level of use of Colocasia esculenta meal (CM), 0%, 5%, 10%, 15% and 20%, with 4 replications, which designed with a completely randomized design. As many as 80 ducks in the laying period were used, ranging in age from 19 to 30 weeks. The data obtained showed that an increasing level of CM up to 10% resulted in increased egg production, egg weight and decreased feed convertion ratio. Conversely, the blood and yolk total cholesterol and triglyceride content actually decreased until the level CM was 20%. It was concluded that the use of CM up to a level of 10% could improve the performance of egg production, and the use of up to a level of 20% decreased the cholesterol and triglyceride content of blood and egg yolk. This is an important role about those subject for required healthy food for human nutrition

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confidence: 99%

Study of Local Duck Rations from Colocasia Esculenta Flour on Egg Production and Cholesterol Content

Suhaemi

Hayati

2020

Eksakta

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Effects of Supplementing Broiler Breeder Diets with Organoselenium Compounds and Polyunsaturated Fatty Acids on Hatchability

et al. 2006

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The effects of supplementing broiler breeder diets with polyunsaturated fatty acids (PUFA) and organoselenium compounds on fertility, hatchability, and the weight of 1-d-old chicks was assessed. Prepeak (23 wk) and peak (27 wk) production breeders were fed 1 of 4 diets: a wheat-based commercial breeder diet with 55 g/kg of either soybean oil (SO) or fish oil (FO), but no added Se (only that originating from feed ingredients), and each diet with added Se as Sel-Plex (SO + Se, FO + Se). The diets were designed to contain <0.1 mg/kg of Se and about 0.5 mg/kg of Se for the nonsupplemented (no added Se) and the supplemented diets, respectively. The Se concentration of the eggshell of the hatching egg was measured. The concentration of Se, PUFA, and total lipid content of the brain and liver of the 1-d-old chick was determined. The number of fertile eggs increased, embryonic mortality decreased, and hatchability increased as hen age increased from 23 to 27 wk. The Se concentration in the eggshell and the brain and liver of 1-d-old chicks was higher in the high-Se treatments com pared with the concentration in the low-Se treatments. Fish oil inclusion in the breeder diet increased embryonic mortality in wk 3 of incubation and reduced both hatchability and 1-d-old chick weight in hens of both ages. The addition of Se to the FO diets ameliorated some of these adverse effects, because chicks hatched from eggs laid by 23-wk-old breeders of the FO + Se treatment were heavier than those receiving the FO treatment. The Se concentration in the brain and liver of chicks from the FO hens was higher than that in chicks from the SO hens. The concentration of docosahexaenoic fatty acid was higher in the liver of chicks from the SO + Se treatment compared with that of chicks from the SO treatment, indicating possible protective effects of Se. Hatchability was decreased by increased PUFA and was higher in 27-wk-old compared with 23-wk-old breeders.

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Maternal Organo-Selenium Compounds and Polyunsaturated Fatty Acids Affect Progeny Performance and Levels of Selenium and Docosahexaenoic Acid in the Chick Tissues

et al. 2006

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The effects of supplementing broiler breeder diets with polyunsaturated fatty acids (PUFA) and organo-Se compounds on the levels of Se and PUFA in chick tissues and on chick performance were assessed. Prepeak (23 wk) and peak (27 wk) production broiler breeders were fed 1 of 4 diets: a wheat-based commercial diet with soybean oil or fish oil but no added Se, and each diet with added Se as Sel-Plex (soybean oil + Se, fish oil + Se; Alltech Inc, Nicholasville, KY). The diets were designed to contain less than 0.1 mg of Se/kg and about 0.5 mg/kg for the nonsupplemented and the supplemented diets, respectively. As-hatched chicks from the 4 parental treatments were fed a nutritionally high quality diet (ME = 12.57 MJ/kg; CP = 228.7 g/kg) or a low quality diet (ME = 10.28 MJ/kg; CP = 182.8 g/kg), resulting in 8 dietary treatments. Performance was better and mortality lower in chicks from 27-wk-old breeders compared with those from 23-wk-old breeders. Fish oil in the maternal diet increased progeny mortality and reduced chick body mass at hatch. Body mass at 7 and 14 d posthatch was lower in chicks fed the low quality diet compared with chicks fed the high quality diet. At hatch, and for up to 14 d posthatch, chicks from hens fed diets high in PUFA had higher concentrations of docosahexaenoic acid (DHA) in the brain and liver compared with chicks hatched from hens fed diets low in PUFA. The DHA content of the tissues of chicks from breeders fed diets supplemented with Se was higher than that in chicks from breeders fed unsupplemented diets. Even after 14 d of being fed a diet with identical levels of Se, chicks hatched from parents fed diets high in Se had higher tissue Se concentrations than those hatched from parents fed diets low in Se. Supplementation of the maternal diet of chicks with organo-Se appears to enhance the DHA concentration of the chick brain, which may improve brain function.

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The Circulating Levels of Lipoproteins in Embryos and Newly Hatched Ducklings Change with Parental Age<sup>1</sup>

Cited by 4 publications

References 17 publications

Study of Local Duck Rations from Colocasia Esculenta Flour on Egg Production and Cholesterol Content

Study of Local Duck Rations from Colocasia Esculenta Flour on Egg Production and Cholesterol Content

Effects of Supplementing Broiler Breeder Diets with Organoselenium Compounds and Polyunsaturated Fatty Acids on Hatchability

Maternal Organo-Selenium Compounds and Polyunsaturated Fatty Acids Affect Progeny Performance and Levels of Selenium and Docosahexaenoic Acid in the Chick Tissues

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