The effect of cereal type and exogenous enzyme use on total folate content of eggs from laying hens consuming diets supplemented with folic acid

Hebert, K.; Tactacan, G. B.; Dickson, T. M.; Guenter, W.; House, James D.

doi:10.3382/japr.2010-00243

Cited by 6 publications

(3 citation statements)

References 17 publications

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“…Nearly 95% of egg folate is found in yolk ( Sherwood et al., 1993 ). Hebert et al. (2011) reported that the type of dietary cereal may influence the deposition of folate in eggs.…”

Section: Introductionmentioning

confidence: 99%

Laying hen performance, egg quality improved and yolk 5-methyltetrahydrofolate content increased by dietary supplementation of folic acid

et al. 2019

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This study was performed to evaluate the effect of folic acid (FA) on performance, egg quality and yolk 5-methyltetrahydrofolate (5-MTHF) content. A total of 384 Hy-line W36 strain hens from 52 to 58 weeks of age were randomly assigned to 4 groups, and each group received one of following dietary treatments: 0, 5, 10 and 15 mg FA/kg diet. A completely randomized design was used. Egg production percentage, egg mass and egg weight were increased significantly ( P < 0.05) and feed conversion ratio (FCR) was reduced significantly ( P < 0.05) by increasing FA content in diets. No significant differences were detected among treatments on egg quality except for shell thickness. The dietary supplementations of laying hens diets with FA significantly increased yolk 5-MTHF content ( P = 0.02). Overall, these data demonstrate that dietary supplementation with FA raised 5-MTHF content of yolk and productivity of egg production in laying hens.

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“…Nearly 95% of egg folate is found in yolk ( Sherwood et al., 1993 ). Hebert et al. (2011) reported that the type of dietary cereal may influence the deposition of folate in eggs.…”

Section: Introductionmentioning

confidence: 99%

Laying hen performance, egg quality improved and yolk 5-methyltetrahydrofolate content increased by dietary supplementation of folic acid

et al. 2019

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“…Egg yolk has a good potential for enrichment by the supplemented diets with different minerals and vitamins. It is possible to significantly increase vitamin content of eggs through fortification of the laying hen diet with synthetic vitamins, and table eggs can be changed to one of the rich sources of natural synthetic microelements [20][21][22][23][24][25][26]. The cobalt is not considered as an essential mineral for hens even though it may consist as much as 4% of the composition of the molecule of vitamin B 12 .…”

Section: Discussionmentioning

confidence: 99%

Laying Hen Performance and Yolk Iodine, Cobalt and Iron Content Increased by Dietary Supplementation of Potassium Iodide, Vitamin B12 and Ferrous Sulfate

Aghdashi

Nobakht

Mehmannavaz

2021

Preprint

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In this experiment, 320 laying hens of HyLine W-36 strain were used in a 2 🞩 2 🞩 2 factorial arrangement with 8 treatments with 8 birds in each pen,including 0 and 400 mg.kg of iron salt (Fe), 0 and 450 mg.kg of iodide (I) and 0 and 0.1 mg.kg of vitamin B12 in 5 replicates and replicate in from 26 to 39 weeks in a completely randomized design. Dietary experiments had significant effects on the performance of laying hens at the end of the experiment period (P < 0:05). The use of I, B12 and Fe salts had significant effects on the content of these microelements of egg yolks in the main effects and interactions (P < 0:05). In the interaction of Fe and I, the use of 450 mg.kg of I and 0 level of Fe increased the I content of egg yolks (P < 0:05). In 400 mg.kg of Fe combined with I, or the use of 400 mg.kg of Fe with 0 level of iodine salt caused a sharp decrease in the I content of eggs (P < 0:05). Supplementation of laying diets with Fe and I had no significant effects on egg yolk content of Fe and Cobalt (Co) (P > 0:05). However, I content in yolk was significantly reduced (P < 0:05). In the interaction of treatments containing Fe and vitamin B12, the lowest amount of Co and the highest level of I were observed at the 0 level of both of these supplements (P < 0:05) whereas, the combined use of Fe and vitamin B12 increased the level of cobalt and decreased the iodine content of eggs (P < 0:05). Interactions of I and vitamin B12 showed the lowest levels of I and cobalt at 0 levels of these two salts in hens' diets, while the combined use of these salts increased the iron, cobalt and iodine content of eggs (P < 0:05). In the three-way effects between these salts, iron content, cobalt of eggs increased and the highest amount of iodine was observed in the third treatments which contained iodine without vitamin B12 and iron (P < 0:05). Treatments had no significant effects on cobalt content of eggs (P < 0:05). Overall results showed that the use of iron, iodine, and vitamin B12 salt supplements has improved the performance of hens, as well as the egg content, including iron, iodine, and cobalt, and improved some of the economic characteristics of hens.

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“…In turkeys, FA supplementation of as much as 1-2 mg/kg could increase the vitamin content in eggs, chick weight, and growth [43]. However, Hebert et al [46] showed that supplementing 4 mg/kg of crystalline FA for 21 days could increase folate deposition in eggs. However, another study concluded that adding FA as much as 4.0 and 8.0 mg/kg to quail feed for six weeks did not affect egg yolk color, egg haugh, egg yolk, and albumen pH [21].…”

Section: Effect Of Folic Acid On Animal Productionmentioning

confidence: 99%

Folic Acid: Sources, Chemistry, Absorption, Metabolism, Beneficial Effects on Poultry Performance and Health

Pertiwi

Mahendra

Kamaludeen

2022

Veterinary Medicine International

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Recently, there has been an increasing interest in the study of the effects of folic acid (FA) on poultry because it was observed that FA could overcome problems in poultry health while improving its performance. FA, or folate, is a water-soluble B vitamin essential in poultry, so FA intake must be available in the feed. Sources of FA in feed come from plants or animals, and animal sources have relatively more stable FA. The ingested FA will be absorbed in the intestinal lumen and transported into the liver through the blood vessels. Therefore, FA has a positive effect on the performance and health status of poultry. The effect of FA on poultry performance is to increase reproductive tract development, FA content in eggs, hatchability, weight gain, average initial body weight, feed intake, relative growth rate, chick body weight, breast fillet percentage, and reduce FCR and white striping score. At the same time, the effect on poultry health influences antioxidant activities, thyroid hormones, blood biochemicals, anti-inflammatory gene expressions, and immune responses. The present review deals with FA sources, chemistry, absorption, metabolism, effects on performance, and poultry health, which are based on valid basic information.

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The effect of cereal type and exogenous enzyme use on total folate content of eggs from laying hens consuming diets supplemented with folic acid

Cited by 6 publications

References 17 publications

Laying hen performance, egg quality improved and yolk 5-methyltetrahydrofolate content increased by dietary supplementation of folic acid

Laying hen performance, egg quality improved and yolk 5-methyltetrahydrofolate content increased by dietary supplementation of folic acid

Laying Hen Performance and Yolk Iodine, Cobalt and Iron Content Increased by Dietary Supplementation of Potassium Iodide, Vitamin B12 and Ferrous Sulfate

Folic Acid: Sources, Chemistry, Absorption, Metabolism, Beneficial Effects on Poultry Performance and Health

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