Health performance and blood profile changes in commercial broilers supplemented with dietary monocalcium phosphate

Chung, Eric Lim Teik; Kamalludin, Mamat Hamidi; Jesse, Faez Firdaus Abdullah; Reduan, Mohd Farhan Hanif; Ling, Lee Wai; Mahzan, Nur Madihah; Henipah, Nur Nashran Mahran Mohd Ali; Loh, Teck Chwen; Zulkifli, I.

doi:10.1007/s00580-019-03085-9

Cited by 6 publications

(7 citation statements)

References 22 publications

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“…At first sight, the results of the present study may appear contradictory to other studies in which higher P availability was associated with enhanced immune function [ 13 , 14 , 25 , 26 , 27 , 28 ]. However, in these studies, experimental groups encompassed diets with higher P availability compared to standard diets with recommended levels of P. These higher P levels were achieved by either supplementation with high levels of nonphytate-P or by addition of exogenous phytase.…”

Section: Discussioncontrasting

confidence: 99%

“…Obviously, further research is needed to understand the relationship between dietary P and Ca and the immune system in more detail. Not only deficiency, but also excessive supply can decrease mineral digestibility and absorption [ 48 , 49 ] and therefore may cause immunosuppression in chickens [ 27 ]. Especially, the theory that hens fed the P− diets have a higher concentration of available P for the immune system needs further investigation.…”

Section: Discussionmentioning

confidence: 99%

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Immunomodulatory Effects of Dietary Phosphorus and Calcium in Two Strains of Laying Hens

Hofmann

Schmucker

Sommerfeld

et al. 2021

Animals

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Insufficient nutrient supply can impair the immune system, which is important for animal health and welfare. Since chicken can partly hydrolyze phytate, which is the primary phosphorus storage in plant seeds, a reduction of mineral phosphorus in the diets could be an option for more sustainable egg production. Laying hens require high concentrations of calcium that might inhibit the function of endogenous enzymes for phytate hydrolyzation. The objective of this study was to characterize the impact of standard and reduced dietary phosphorus and calcium concentrations on the number and functionality of immune cells in the peripheral and gut-associated immune system in a white and brown laying hen strain. Reduced mineral phosphorus enhanced several immune parameters such as B cells in blood and IgA concentrations in bile in both strains, and peripheral monocytes and T cells in cecal tonsils in brown hens. Reduced calcium levels resulted in lower numbers of T cells in blood and cecal tonsils in both strains, suggesting negative effects on adaptive immunity. Differences between the two strains were found in almost all immune parameters. Results suggest a potentially beneficial effect of reduced dietary mineral phosphorus on the immune system that is dependent on the genetic background.

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Section: Discussioncontrasting

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Immunomodulatory Effects of Dietary Phosphorus and Calcium in Two Strains of Laying Hens

Hofmann

Schmucker

Sommerfeld

et al. 2021

Animals

View full text Add to dashboard Cite

show abstract

“…As shown in Table 7 , the GLB content of serum was highest in GAS + PRO group, and lowest in MAS group ( P < 0.05). However, there was no significant difference in ALB and A/G, indicating comparable immune function among different diets ( Chung et al., 2020 ). The GAS, GAS + PRO, and MAS + PRO supplementation also increased ( P < 0.05) TP content in serum.…”

Section: Resultsmentioning

confidence: 99%

Energy values evaluation and improvement of soybean meal in broiler chickens through supplemental mutienzyme

Jiang¹,

Wu²,

Wei³

et al. 2022

Poultry Science

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“…The complete blood counts (CBCs) and differential white blood cell analyses of the uncoagulated blood samples were performed ( Chung et al , 2020 ). As described by Kaab et al (2018 ), blood smears were made on the same day that blood was collected.…”

Section: Methodsmentioning

confidence: 99%

Slatted floor reduces the welfare and increases the foot pad dermatitis and growth performance of Turkeys under Egyptian conditions

Balabel,

Enein,

Eldeen

et al. 2024

Open Vet J

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Background: When turkeys’ legs come in contact with their dropping during the growing stage results in footpad dermatitis condition which affects the poult's welfare and productivity. Aim: Our experiment aimed to detect the impact of different bedding materials on the wellbeing, and performance of growing turkey under Egyptian conditions. Methods: 180-day-old turkey poults were allocated into three treatments. In treatment I, the poults (60 each with three replicates (n = 20 birds) were kept on wood shavings (WS); in the second treatment, the poults were housed on chopped wheat straw (CWS). But, in the third treatment, they kept on a plastic slatted floor (PSF). Results: The greater feed intake and body weight were recorded in poults reared in PSF compared with those kept in other treatments (WS and CWS). FCR didn’t show any significant difference. The mortality percentage was higher in the PSF group than in the WS one. The frequency of feeding and drinking behavior was higher in poults reared on WS treatment compared with other treatments CWS and PSF. On the other hand, resting behavior showed the highest frequency in poults kept in PSF. Contrary, the lowest frequency of walking behavior was recorded in poults reared in PSF treatment. Additionally, the poults kept in WS had a longer tonic immobility reaction period followed by those kept in PSF and CWS. Concerning foot-pad dermatitis, the highest score of 0 was observed in the CWS group, while the highest score of 1 was recorded among poults kept in the WS group. On the other side, the highest score 2, 3, and 4 was observed in the poults reared in the PSF group. Heterophil/Lymphocyte (H/L) ratio of turkey poults was higher in PSF. While T3 and T4 concentrations in blood weren’t affected by using different bedding materials. Conclusion: It is concluded that the slatted floor was good for turkey producers from the point of performance but, it’s the worst from the point of welfare.

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Health performance and blood profile changes in commercial broilers supplemented with dietary monocalcium phosphate

Cited by 6 publications

References 22 publications

Immunomodulatory Effects of Dietary Phosphorus and Calcium in Two Strains of Laying Hens

Immunomodulatory Effects of Dietary Phosphorus and Calcium in Two Strains of Laying Hens

Energy values evaluation and improvement of soybean meal in broiler chickens through supplemental mutienzyme

Slatted floor reduces the welfare and increases the foot pad dermatitis and growth performance of Turkeys under Egyptian conditions

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