The effectiveness of zinc proteinate for chicks fed a conventional corn-soybean meal diet

Liu, S. B.; Li, S. F.; Lü, Lin; Xie, Jingwen; Zhang, L. Y.; Wang, R. L.; Luo, Xugang

doi:10.3382/japr.2012-00564

Cited by 26 publications

(20 citation statements)

References 28 publications

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“…Sequence ( The findings of the present study are in agreement with Huang et al, (2007) Cao et al, (2002) and Liu et al, (2013) reported that supplementation of organic Zn showed an increased MT mRNA expression when compared with ZnSO4 and control. Brooks et al, (2013) reported that relative bioavailability of Zn from organic Zn was much higher than Zn sulphate.…”

Section: Primerssupporting

confidence: 92%

Real Time PCR Based Expression of Metallothionein and Evaluation of Zn Bioavailability in Chickens Fed Zinc Oxide and Zinc Methionine

Varun¹,

Karthikeyan²,

Muthusamy³

et al. 2017

Int.J.Curr.Microbiol.App.Sci

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Section: Primerssupporting

confidence: 92%

Real Time PCR Based Expression of Metallothionein and Evaluation of Zn Bioavailability in Chickens Fed Zinc Oxide and Zinc Methionine

Varun¹,

Karthikeyan²,

Muthusamy³

et al. 2017

Int.J.Curr.Microbiol.App.Sci

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“…The chemical characteristics of organic Fe sources may partially explain the discrepancies in their relative bioavailabilities. A series of studies from our laboratory (Li et al, 2004(Li et al, , 2005Huang et al, 2009Huang et al, , 2013Liu et al, 2012aLiu et al, , 2013Wang et al, 2012) have shown that the relative bioavailabilities of organic Mn, Zn, and Cu for broilers fed a conventional corn-soybean meal diet were closely related to their chelation strengths (quotient of formation [Q f ] values). The latest study from our laboratory demonstrated that iron proteinate with moderate chelation strength had a higher bioavailability than iron sulfate in enhancing hemoglobin (Hb) and total body Hb Fe of broilers fed a caseindextrose diet.…”

mentioning

confidence: 99%

“…The results from the present study indicated that under conventional diets supplemented with Fe levels at or near Fe requirement of broilers, using more sensitive gene expression indices of Fe-containing enzymes in target tissues, the multiple linear regression slope ratio method could more accurately estimate Fe bioavailabilties of Fe sources for broilers. Furthermore, in our laboratory, such similar methods have been successfully used for estimating Mn and Zn bioavailabilties of Mn and Zn sources for broilers (Li et al, 2004(Li et al, , 2005Huang et al, 2009Huang et al, , 2013Wang et al, 2012;Liu et al, 2013). In traditional multiple linear regression slope ratio methods, the purified or semipurified diets supplemented with mineral levels below requirements of animals were adopted and growth and Hb, etc., were used as evaluation indices , or the conventional diets supplemented with excessive but nontoxic mineral levels were adopted and mineral accumulations in target tissues were used as evaluation indices (Henry et al, 1989;Cao et al, 1996).…”

mentioning

confidence: 99%

The chemical characteristics of organic iron sources and their relative bioavailabilities for broilers fed a conventional corn–soybean meal diet1

Zhang

Lü

Luo

2016

Journal of Animal Science

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Twenty-four organic Fe sources were evaluated by polarographic analysis and via solubility in buffers (pH 5 and 2) and deionized water. Organic Fe sources included 6 Fe-Met complexes (Fe-Met), 10 Fe-Gly complexes, 1 Fe-Lys complex, 4 Fe proteinates, and 3 Fe-AA complexes (Fe-AA). Sources varied considerably in chemical characteristics. Chelation strengths (quotient of formation [Q] values) ranged from weak (Q = 1.08) to extremely strong strength (Q = 8,590). A total of 1,170 1-d-old Arbor Acres male broilers were randomly allotted to 6 replicate cages (15 chicks/cage) for each of 13 treatments in a completely randomized design involving a 4 × 3 factorial arrangement of treatments (4 Fe sources × 3 added Fe levels) plus a control with no added Fe. Dietary treatments included a corn-soybean meal basal diet (control; 55.8 mg Fe/kg) and the basal diet supplemented with 20, 40, or 60 mg Fe/kg as iron sulfate (FeSO∙7HO); an Fe-Met with weak chelation strength (Fe-Met W; Q = 1.37; 14.7% Fe); an iron proteinate with moderate chelation strength (Fe-Prot M; Q = 43.6; 14.2% Fe); or an iron proteinate with extremely strong chelation strength (Fe-Prot ES; Q = 8,590; 10.2% Fe). The growth performance, Fe concentrations, hematological indices, and activities and gene expressions of 2 Fe-containing enzymes in tissues of broilers at 7, 14, and 21 d of age were determined in the present study. Transferrin saturation in plasma on 14 d; bone Fe on d 7 and 14; liver Fe on d 7, 14, and 21; kidney Fe on d 14; succinate dehydrogenase activities in the liver on d 21 and in the kidney on d 7 and 21; mRNA levels in the kidney and heart on d 14; and mRNA levels in the liver and kidney on d 21 linearly increased ( < 0.05) as added Fe levels increased. However, differences in bioavailabilities among Fe sources were detected ( < 0.05) only for the mRNA levels in the liver and kidney on d 21. Based on slope ratios from the multiple linear regression of mRNA level in the liver or kidney of broilers on d 21 on daily dietary analyzed Fe intake, the bioavailabilities of Fe-Met W, Fe-Prot M, and Fe-Prot ES relative to iron sulfate (100%) were 129 ( = 0.18), 164 ( < 0.003), and 174% ( < 0.001) or 102 ( = 0.95), 143 ( = 0.09), and 174% ( < 0.004), respectively. These results indicated that the relative bioavailabilities of organic Fe sources were closely related to their Q values and organic Fe sources with greater Q values showed higher Fe bioavailabilities.

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“…However, Sandoval et al (1997Sandoval et al ( , 1998 reported that when dietary added Zn levels were greater than approximately 200 mg kg -1 of Zn as reagent grade Zn sulfate, decreased feed intake was observed. Other experiments attempted to use a practical corn-soybean meal diet and a supplemental Zn around a Zn requirement to determine the bioavailability of the different Zn sources (Huang et al 2009;Liu et al 2013;Suo et al 2015). The method offers several advantages in assessing Zn bioavailability, such as minimizing the effect of decreased feed intake and also the applicability of the results to commercial conditions (Huang et al 2009).…”

Section: Discussionmentioning

confidence: 99%

“…Based on those findings (Huang et al 2009;Liu et al 2013;Suo et al 2015), a practical corn-soybean basal diet containing 27.21 mg of Zn kg -1 and three supplemental Zn levels (30, 60 and 90 mg kg -1 ) were chosen in the current study.…”

Section: Discussionmentioning

confidence: 99%

Relative bioavailability of tribasic zinc sulfate for broilers fed a conventional corn-soybean meal diet

Lü

et al. 2015

Journal of Integrative Agriculture

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An experiment was carried out to investigate the relative bioavailability of tribasic zinc (Zn) sulfate relative to Zn sulfate for broilers fed a conventional corn-soybean meal diet. A total of 504 one-day-old Arbor Acres commercial male chicks were randomly assigned by body weight of birds to one of seven treatments involving a 2×3 factorial arrangement with three levels of added Zn (30, 60, or 90 mg of Zn kg-1) and two Zn sources (tribasic Zn sulfate and Zn sulfate) plus a control with no added Zn for an experimental phase of 14 days. Plasma Zn, tibia ash Zn, pancreas Zn, and pancreas metallothionein (MT) messenger RNA (mRNA) were analyzed at 6, or 14 d of age post-hatching. The results showed that plasma Zn, tibia ash Zn, pancreas Zn, and pancreas MT mRNA increased linearly (P<0.002) as dietary Zn concentration increased at 6, or 14 d of age. The R 2 for a linear model was greater on d 6 than on d 14 for the above 4 responsive criteria, and among these indices, the fitting of the tibia ash Zn concentration was the best (R 2 =0.99). Therefore, based on slope ratios from the multiple linear regressions of the above 4 indices of the birds at 6 d of age on daily intake of dietary Zn, the bioavailabilities of tribasic Zn sulfate relative to Zn sulfate (100%) were 95.6% (P=0.18), 83.5% (P=0.01), 87.9 (P=0.53), and 75.9 (P=0.38) for the tibia ash Zn, pancreas Zn, plasma Zn, and pancreas MT mRNA, respectively. The results indicated that generally, Zn from tribasic Zn sulfate was as available as Zn from Zn sulfate for broilers.

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The effectiveness of zinc proteinate for chicks fed a conventional corn-soybean meal diet

Cited by 26 publications

References 28 publications

Real Time PCR Based Expression of Metallothionein and Evaluation of Zn Bioavailability in Chickens Fed Zinc Oxide and Zinc Methionine

Real Time PCR Based Expression of Metallothionein and Evaluation of Zn Bioavailability in Chickens Fed Zinc Oxide and Zinc Methionine

The chemical characteristics of organic iron sources and their relative bioavailabilities for broilers fed a conventional corn–soybean meal diet1

Relative bioavailability of tribasic zinc sulfate for broilers fed a conventional corn-soybean meal diet

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