scholarly journals Effect of Addition of Selenium-Enriched Bean Sprouts Powder in Egg Laying Hen Feed

2021 ◽  
pp. 121-128
Author(s):  
Myongdok Im ◽  
Hakchan Oh ◽  
Yongchol Ri ◽  
Kuangchol Kim ◽  
Dongchol Jong ◽  
...  
Keyword(s):  
Production Process ◽  
Feed Intake ◽  
Laying Hens ◽  
Basal Diet ◽  
Egg Laying ◽  
Selenium Content ◽  
Egg Weight ◽  
Organic Selenium ◽  
Laying Performance ◽  
Bean Sprouts

Although selenium was considered an essential trace element in the early 1970s, it is now widely used as a biological effect, and research projects are also actively underway. In the production process of selenium-enriched eggs that can meet people's demand for selenium, this article specifically analyzed the effects of different levels of selenium-enriched bean sprouts powder on the laying performance and egg quality of laying hens. First of all, adding selenium-enriched bean sprouts powder(a kind of organic selenium) to the basal diet fed for a long time(20weeks) will affect the egg laying rate and feed intake, egg weight, egg shape index, and eggshell strength, thickness of eggshell. Next, we analyzed the accumulation of selenium in eggs, breast muscles, liver, skin and kidneys after feeding organic selenium. Results when 15~22.5g/kg selenium-enriched bean sprouts powder(selenium content 40mg/kg) was added to the basal diet fed, the egg laying rate, feed intake, egg weight, eggshell strength and eggshell thickness respectively increased by 100.6~102.9%, 101.3~102.3%, 117.1~117.6% and 105.6~108.3%, and the selenium content in eggs increased by 197.7~206.9%. Selenium is obviously deposited on the eggs, breast muscles and skin of laying hens. Therefore, in the production process of selenium-enriched eggs, adding selenium-enriched bean sprouts powder not only increased the production efficiency of eggs, but also increased double the selenium content in eggs. From the 15th day of the laying test, selenium-enriched eggs can be obtained.

scholarly journals Effects of Ginger Extract on Laying Performance, Egg Quality, and Antioxidant Status of Laying Hens

Animals ◽  
2019 ◽  
Vol 9 (11) ◽  
pp. 857 ◽  
Author(s):  
Wen ◽  
Gu ◽  
Tao ◽  
Cheng ◽  
Wang ◽  
...  
Keyword(s):  
Antioxidant Status ◽  
Laying Hens ◽  
Egg Quality ◽  
Basal Diet ◽  
Cholesterol Content ◽  
Ginger Extract ◽  
Sod Activity ◽  
Egg Weight ◽  
Laying Performance ◽  
Yolk Cholesterol

The objective of this study was to investigate the effects of ginger extract (GE) as a dietary supplement for laying hens. A total of 40-week-old 288 Hyline Brown laying hens were randomly divided into two groups with six replicates, and fed a basal diet with or without 100 g/t GE for eight weeks. Dietary GE supplementation increased egg weight, albumin height, and Haugh unit of eggs, and decreased yolk cholesterol content and activities of alanine transaminase and aspartate transaminase in serum at eight weeks. Moreover, GE resulted in higher total superoxide dismutase (T-SOD) activity and lower malondialdehyde (MDA) content in yolk at four and eight weeks and in serum. It was concluded that GE was effective in increasing egg weight and improving the egg quality and antioxidant status of laying hens.

scholarly journals Feeding Corn Distillers Dried Grains With Solubles (Ddgs) And Its Effect On Egg Quality And Performance Of Laying Hens / Zastosowanie DDGS z kukurydzy w żywieniu kur niosek i jego wpływ na jakość jaj i wyniki produkcyjne

2013 ◽  
Vol 13 (1) ◽  
pp. 97-107 ◽  
Author(s):  
Jan Niemiec ◽  
Julia Riedel ◽  
Tadeusz Szulc ◽  
Małgorzata Stępińska
Keyword(s):  
Feed Intake ◽  
Laying Hens ◽  
Egg Quality ◽  
Feed Mixture ◽  
Egg Weight ◽  
Distillers Dried Grains ◽  
Laying Performance ◽  
And Performance ◽  
Corn Distillers ◽  
Corn Ddgs

Abstract The purpose of this experiment was to determine the effect of corn DDGS as a feed ingredient on egg quality and performance of laying hens. The experiment was conducted in three feeding groups of 100 hens each (10 replicates of 10 layers). ISA Brown laying hens were administered a feed mixture containing 15% (E1) or 20% (E2) corn DDGS for 18 weeks. The hens from the control group (C) received a standard diet based on soybean meal as the main protein source only. Laying performance, average egg weight, average daily feed intake and feed conversion ratio were recorded over the study period. Egg quality traits (egg weight, thick albumen quality, yolk colour, yolk content, shell content and shell thickness) were evaluated twice: at the start and at the end of the experiment. On both dates, all daily laid eggs from each group were analysed, i.e. 90, 93 and 92 eggs from groups C, E1 and E2, respectively at 31 weeks, and 92, 94 and 81 eggs, respectively at 48 weeks of age. Compared to the other groups, the hens from group E2 (20% DDGS) were characterized by a slight - though statistically significant (P≤0.01) - decrease in laying performance and by a higher FCR value. The content of DDGS in the feed mixture had no significant effect on mean egg weight nor on daily feed intake. At the end of the experiment, the eggs laid by the hens from group E2 were characterized by significantly poorer (P≤0.01) albumen and shell quality. Yolk colour in both experimental groups was significantly darker (P≤0.01) than in the C group. The 15% addition of corn distillers dried grains with solubles to feed mixtures for commercial flocks of laying hens is advisable. At corn DDGS addition exceeding 15%, a slight decrease in production results and deterioration in selected parameters of egg quality shall be expected.

scholarly journals Effects of Selenium Conjugated to Insect Protein on Pharmacokinetics of Florfenicol and Enrofloxacin in Laying Hens

2021 ◽  
Vol 8 ◽  
Author(s):  
Kai Qiu ◽  
Uchechukwu Edna Obianwuna ◽  
Jing Wang ◽  
Hai-jun Zhang ◽  
Guang-hai Qi ◽  
...  
Keyword(s):  
Feed Intake ◽  
Egg Production ◽  
Laying Hens ◽  
Drug Effects ◽  
Control Group ◽  
Poultry Production ◽  
Blank Control Group ◽  
Organic Selenium ◽  
Laying Performance ◽  
Significant Difference

In the context of increasing awareness on the dietary supplementation of organic selenium in commercial poultry production and ensuring safe egg production, the present study investigated the effects of selenium on the pharmacokinetics of the therapeutic use of florfenicol and enrofloxacin from perspectives of laying performance, selenium deposition in eggs, and drug residue in plasma, organs, and eggs. A 2 × 3 factorial arrangement with two kinds of drugs (florfenicol vs. enrofloxacin, 200 mg/kg) and three levels of dietary organic selenium SCIP (selenium conjugated to insect protein) (0, 2, and 5 mg/kg) was designed together with a blank control group. Healthy Hy-Line Brown laying hens (n = 252, 40-week-old and 90.0 ± 1.7% of egg production rate) were randomly allocated into one of seven treatments with six replicates and six hens per replicate. The experiment lasted for 42 days and consisted of three periods (adjusted stage, depositional stage, and eliminating stage) of 14 days each. These stages entail feeding of the laying hens with basal diets, addition of drugs and selenium synchronously into the diets, drug withdrawal from diet, and supply of selenium uninterruptedly in the diet. Egg production and feed intake were recorded on daily and weekly bases, respectively. The selenium content in egg yolk, egg white, and whole eggs and the drug residues in eggs, plasma, liver, kidney, and breast muscle were determined on days 2, 3, 5, 6, 7, 9, 11, and 14 of the depositional and eliminating stages. There was no significant difference (p > 0.05) in egg production among the dietary treatments, but feed intake decreased significantly (p < 0.05) in the drug treatment group compared to other groups. Dietary organic selenium decreased the residue of drugs in tissues and eggs, while the metabolism and deposition of selenium in laying hens were suppressed due to drug effects. The results of the present study are of significance to enrich the knowledge of the pharmacokinetics of florfenicol and enrofloxacin in laying hens and ensure the quality of poultry products.

scholarly journals Effect Of Supplementation Of Organic Acids On Laying Performance, Body Fatness And Egg Quality Of Hens

1970 ◽  
Vol 37 (2) ◽  
pp. 74-81 ◽  
Author(s):  
MS Rahman ◽  
MAR Howlider ◽  
M Mahiuddin ◽  
MM Rahman
Keyword(s):  
Body Weight ◽  
Organic Acids ◽  
Organic Acid ◽  
Feed Intake ◽  
Egg Production ◽  
Laying Hens ◽  
Egg Quality ◽  
Basal Diet ◽  
Feed Conversion ◽  
Egg Weight

The study was conducted to determine the effect of organic acids supplementation on body weight changes, feed intake, feed efficiency, egg production, egg weight and egg quality in laying hens at age between 67 and 74 weeks. A total of 48 Shaver 579 laying hens of 67 weeks age were allotted into 4 groups, each containing 12 hens. The hens were fed basal diet (17% CP and 2800 kcal ME/kg diet) supplemented with 0 (T1), 260 (T2), 520 (T3) and 780 ppm (T4) of organic acid mixture (fumaric acid and salt of butyric, propionic and lactic acids). The results revealed no effect of organic acids supplementation on body weight change and feed intake but improvement of egg production and feed conversion were observed. Organic acids supplementation significantly increased egg production by about 2.26, 8.0 and 9.84% on 260, 520 and 780 ppm respectively when compared with the untreated group (P<0.05). Feed conversion showed a significant (P<0.05) improvement in laying hen groups which fed on the basal diet supplemented with organic acids at 260, 520 and 780 ppm by about 1.85, 8.48 and 7.74% respectively when compared with the control. On the other hand, dietary organic acid had no effect on the average egg weight, while showed a lower percentage of large (P<0.05) and extra large egg (P<0.01) size compared with control group. Body composition parameters were not affected (P>0.05) by dietary treatments. Inclusion of organic acids improved egg shell thickness (P<0.05) while significantly reduced albumen index (P<0.05). Incorporation of organic acids attributed to significant increase per cent albumen (P<0.01) and significant decrease in yolk per cent (P<0.05). It can be concluded that organic acid supplementation of laying hens diet may improve persistency of lay and feed conversion. From economical point of view, it is concluded that organic acid addition (520 ppm) may result an economic benefit of layer production at older age. DOI: http://dx.doi.org/10.3329/bjas.v37i2.9884 BJAS 2008; 37(2): 74-81

Effect of Spirulina-Chinese herbal medicine on quality of eggs and serum biochemical indexes of egg-laying hens

2017 ◽  
Author(s):  
Liu Peipei ◽  
Zang Sumin
Keyword(s):  
Herbal Medicine ◽  
Chinese Herbal Medicine ◽  
Laying Hens ◽  
Egg Yolk ◽  
Egg Laying ◽  
Control Group ◽  
Egg Weight ◽  
Traditional Chinese Herbal Medicine ◽  
Chinese Herbal ◽  
Laying Performance

This study used three-factor linear regression orthogonal design to examine the impacts of traditional Chinese herbal medicine on egg quality and egg-laying hens’ biochemical indexes. 495 and 210d Hy-Line gray commercial egg-laying hens were selected and spirulina powder was added to their diet at 5 g/kg, 10g/kg, 15g/kg in the diet, rchmannia glutnosa polysaccharides were added at 2.5g/kg, 3 g/kg, 3.5 g/kg, and Leonurus Japonicas was added at 0.7 g/kg, 0.9g/kg, 1.1 g/kg. The hens were randomly allocated to a control group and ten test groups, in order to study the herbs’ effects on laying performance and immunity parameters. The results showed that: (1)When spirulina-Chinese herbal medicine was added, the average egg weight, yolk color, and Hartz unit increased significantly.(2) When spirulina powder levels were increased, the egg yolk color and iron content significantly increased while the cholesterol and triglyceride levels were significantly lower (P>0.05). With the increase of rchmannia glutnosa polysaccharides extracts, eggshell strength increased significantly (P>0.01). Egg yolk color and eggshell strength increased significantly (P>0.05 and P>0.01, respectively) when Leonurus Japonicas increased. (3) Spirulina powder and rchmannia glutnosa polysaccharides extracts were significantly antagonistic to average egg weight and eggshell strength (P>0.01). Leonurus Japonicus and rchmannia glutnosa polysaccharides were significantly antagonistic to eggshell strength and cholesterol levels (P>0.05).

scholarly journals Feeding Wheat Distillers Dried Grains with Solubles (DDGS) to Laying Hens and its Effect on Performance and Egg Quality

2012 ◽  
Vol 12 (1) ◽  
pp. 105-115 ◽  
Author(s):  
Jan Niemiec ◽  
Julia Riedel ◽  
Tadeusz Szulc ◽  
Małgorzata Stępińska
Keyword(s):  
Feed Intake ◽  
Laying Hens ◽  
Egg Quality ◽  
Conversion Ratio ◽  
Feed Conversion Ratio ◽  
Control Group ◽  
Feed Conversion ◽  
Egg Weight ◽  
Distillers Dried Grains ◽  
Laying Performance

Feeding Wheat Distillers Dried Grains with Solubles (DDGS) to Laying Hens and its Effect on Performance and Egg QualityThe purpose of this experiment was to determine the effect of wheat DDGS as a feed ingredient on the performance of laying hens and their egg quality. ISA Brown laying hens were administered a feed mixture containing 15% (E1) or 20% (E2) wheat DDGS for 12 weeks. The hens from the control group (C) received a standard diet based on soybean meal as the main protein source only. Laying performance (laying %), average egg weight (g), average daily feed intake (g/hen), and feed conversion ratio (kg/kg eggs) were recorded over the study period. Egg quality traits (egg weight, thick albumen quality, yolk colour, yolk percentage, shell percentage and shell thickness) were evaluated twice: before the start and at the end of the experiment. There was no effect of dietary DDGS on laying performance or on feed intake. The average egg weight was significantly lower in both experimental groups and the feed conversion ratio was lower compared to the control group. Dietary wheat DDGS did not affect the main egg quality parameters except for thick albumen quality. Eggs from hens fed the diet with DDGS had higher values of Haugh unit than those from the control hens. These results suggest that wheat DDGS can be used in amounts of up to 20% as a component of feed mixtures for flocks of laying hens.

scholarly journals Influence of dietary vitamin C and selenium, alone and in combination, on the performance of laying hens and quality of eggs

2013 ◽  
Vol 58 (No. 2) ◽  
pp. 91-97 ◽  
Author(s):  
M. Skřivan ◽  
M. Marounek ◽  
M. Englmaierová ◽  
V. Skřivanová
Keyword(s):  
Vitamin E ◽  
Vitamin C ◽  
Oxidative Stability ◽  
Feed Intake ◽  
Sodium Selenite ◽  
Egg Production ◽  
Laying Hens ◽  
Egg Quality ◽  
Basal Diet ◽  
Laying Performance

Two hundred and forty laying hens were fed diets supplemented with vitamin C and selenium (Se). Vitamin C was added at 0 or 200 mg/kg, and Se was added as sodium selenite or selenized yeast at 0.3&nbsp;mg/kg. The feed intake and egg production were measured, and egg quality parameters were determined. Supplementation of the basal diet with Se significantly increased the laying performance; however, vitamin C significantly decreased feed intake and egg production. Vitamin C increased vitamin E concentration in the yolk. Both selenite and Se-enriched yeast increased the vitamin E concentration in the yolk and the Se concentration in the yolk and albumen. The oxidative stability of yolk lipids was improved in hens fed diets supplemented with sodium selenite, but not in those fed diets supplemented with Se-yeast. After 28 days of storage, however, the beneficial effect of selenite on lipid stability ceased. The supplementation of the basal diet with vitamin C significantly worsened the oxidative stability of yolk lipids, indicating that vitamin C acted as a pro-oxidant. Thus, vitamin C increased the laying performance and influenced some traits of egg quality. The combined supplementation of vitamin C and Se did not prove to be successful.

scholarly journals Effects of Dietary Inclusion of Dry Hydrastis canadensis on Laying Performance, Egg Quality, Serum Biochemical Parameters and Cecal Microbiota in Laying Hens

Animals ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 1381
Author(s):  
Tzuen-Rong J Tzeng ◽  
Tzu-Yu Liu ◽  
Chiao-Wei Lin ◽  
Pei-En Chang ◽  
Pei-Xin Liao ◽  
...  
Keyword(s):  
Biochemical Parameters ◽  
Egg Production ◽  
Laying Hens ◽  
Basal Diet ◽  
Response To Treatment ◽  
Control Group ◽  
Hydrastis Canadensis ◽  
Laying Performance ◽  
Cecal Microbiota ◽  
Dietary Treatments

Alternative growth promoters are able to not only effectively replace the traditional use of antibiotics but also provide additional health benefits for livestock and reduce food safety concerns. This study investigated the effects of dry Hydrastis canadensis on the laying performance and fecal microbial community of laying hens. Twenty-four Lohmann (LSL, white layer strain) hens were reared from 40 to 48 weeks of age and randomly allotted to four dietary treatments (six birds/treatment). The dietary treatments comprised a basal diet with no treatment as control, a basal diet plus 0.6% powder of dry Hydrastis canadensis roots (R) or leaves (L), and a basal diet plus 0.6% powder of a mixture of dry Hydrastis canadensis roots and leaves (1:1, LR). No mortality was observed in the whole experimental period. The results indicated that albumen height in the LR group was significantly greater than that in the control group. The diet supplemented with Hydrastis canadensis had no significant effects on egg production rate, egg weight, eggshell strength, eggshell thickness, Haugh unit, or yolk height during the whole experimental phase. However, principal coordinate analysis, comparative heat map analysis, and cluster dendrogram analysis of cecal microbiota showed distinct clusters among the groups treated with Hydrastis canadensis and the control group. Regarding blood biochemical parameters, serum cholesterol levels were significantly lower in all Hydrastis canadensis-treated groups compared with those in the control group. Moreover, serum low-density lipoprotein levels were lower in hens supplemented with the leaf of Hydrastis canadensis. The abundances of the phyla Fusobacteria and Kiritimatiellaeota were increased (p < 0.05) in laying hens fed with 0.6% Hydrastis canadensis leaves, whereas the abundance of the phylum Firmicutes in cecum digesta decreased in response to treatment with Hydrastis canadensis roots and leaves. The relative abundance of the Fusobacterium genus was higher in the LR group compared with that in the control. On the contrary, we found a different trend in the Synergistes genus. The potential influences of these microbiota on the performance of laying hens were discussed. The results demonstrate that Hydrastis canadensis can improve the egg albumen height and modulate the cecum digesta microbiota composition of laying hens.

scholarly journals Mitigation Effects of Bentonite and Yeast Cell Wall Binders on AFB1, DON, and OTA Induced Changes in Laying Hen Performance, Egg Quality, and Health

Toxins ◽  
2021 ◽  
Vol 13 (2) ◽  
pp. 156
Author(s):  
Ling Zhao ◽  
Yue Feng ◽  
Jing-Tao Wei ◽  
Meng-Xiang Zhu ◽  
Lei Zhang ◽  
...  
Keyword(s):  
Laying Hens ◽  
Egg Quality ◽  
Dietary Supplementation ◽  
Basal Diet ◽  
Liver Weight ◽  
Laying Hen ◽  
Egg Laying ◽  
Villus Height ◽  
Crypt Depth ◽  
Induced Changes

The objective of this study was to evaluate the efficacy of mycotoxin binders in reducing the adverse effects of co-occurring dietary aflatoxin B1 (AFB1), deoxynivalenol (DON) and ochratoxin A (OTA) on laying hens. Three hundred and sixty 26-week-old Roman laying hens were randomly allocated into four experimental groups with 10 replicates of nine birds each. The four groups received either a basal diet (BD; Control), a BD supplemented with 0.15 mg/kg AFB1 + 1.5 mg/kg DON + 0.12 mg/kg OTA (Toxins), a BD + Toxins with Toxo-HP binder (Toxins + HP), or a BD + Toxins with TOXO XL binder (Toxins + XL) for 12 weeks. Compared to the control, dietary supplementation of mycotoxins decreased (P < 0.10) total feed intake, total egg weight, and egg-laying rate, but increased feed/egg ratio by 2.5–6.1% and mortality during various experimental periods. These alterations induced by mycotoxins were alleviated by supplementation with both TOXO HP and XL binders (P < 0.10). Furthermore, dietary mycotoxins reduced (P < 0.05) eggshell strength by 12.3% and caused an accumulation of 249 μg/kg of DON in eggs at week 12, while dietary supplementation with TOXO HP or XL mitigated DON-induced changes on eggshell strength and prevented accumulation of DON in eggs (P < 0.05). Moreover, dietary mycotoxins increased relative liver weight, but decreased spleen and proventriculus relative weights by 11.6–22.4% (P < 0.05). Mycotoxin exposure also increased alanine aminotransferase activity and reduced immunoglobulin (Ig) A, IgM, and IgG concentrations in serum by 9.2–26.1% (P < 0.05). Additionally, mycotoxin exposure induced histopathological damage and reduced villus height, villus height/crypt depth, and crypt depth in duodenum, jejunum and (or) ileum (P < 0.05). Notably, most of these histological changes were mitigated by supplementation with both TOXO HP and XL (P < 0.05). In conclusion, the present study demonstrated that the mycotoxin binders TOXO HP and XL can help to mitigate the combined effects of AFB1, DON, and OTA on laying hen performance, egg quality, and health.

scholarly journals Alpha-Ketoglutarate: An Effective Feed Supplement in Improving Bone Metabolism and Muscle Quality of Laying Hens: A Preliminary Study

Animals ◽  
2020 ◽  
Vol 10 (12) ◽  
pp. 2420
Author(s):  
Ewa Tomaszewska ◽  
Sylwester Świątkiewicz ◽  
Anna Arczewska-Włosek ◽  
Dorota Wojtysiak ◽  
Piotr Dobrowolski ◽  
...  
Keyword(s):  
Matrix Protein ◽  
Laying Hens ◽  
Volume Fraction ◽  
Basal Diet ◽  
Cholesterol Content ◽  
Muscle Quality ◽  
Control Group ◽  
Bone Volume Fraction ◽  
Trabecular Thickness ◽  
Laying Performance

The aim of the experiment was to assess the effect of dietary alpha-ketoglutarate (AKG) supplementation on performance, serum hormonal indices, duodenum and jejunum histomorphometry, meat quality characteristics, bone quality traits and cartilage degradation in laying hens with a mature skeletal system. Forty-eight 30 week-old Bovans Brown laying hens were randomly assigned to a control group or the group fed the basal diet plus 1.0% AKG. The experimental trial lasted 30 weeks. The supplementation of AKG increases blood serum content of leptin, ghrelin, bone alkaline phosphatate and receptor activator of nuclear factor kappa-Β ligand, while osteoprotegerin and osteocalcin decrease. While dietary AKG was given to laying hens negatively influenced villus length, crypt depth, villus/crypt ratio and absorptive surface area in duodenum and jejunum, these changes have no effect on feed intake, weight gain, nor laying performance. In breast muscles, no significant changes in skeletal muscle fatty acid composition were observed, however, a higher shear force and decreased cholesterol content following AKG supplementation were noted, showing the improvement of muscle quality. While dietary AKG supplementation did not affect the general geometric and mechanical properties of the tibia, it increased collagen synthesis and enhanced immature collagen content. In medullary bone, an increase of bone volume fraction, trabecular thickness, fractal dimension and decrease of trabecular space were observed in AKG supplemented group. The trabeculae in bone metaphysis were also significantly thicker after AKG supplementation. AKG promoted fibrillogenesis in articular cartilage, as indicated by increased cartilage oligomeric matrix protein immunoexpression. By improving the structure and maintaining the proper bone turnover rate of highly reactive and metabolically active medullar and trabecular bones AKG showed its anti-osteoporotic action in laying hens.

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