Effects of glycine and glutamine supplementation to reduced crude protein diets on growth performance and carcass characteristics of male broilers during a 41-day production period

Kriseldi, R.; Tillman, P. B.; Jiang, Zhong‐Xing; Dozier, W. A.

doi:10.3382/japr/pfx030

Cited by 21 publications

(22 citation statements)

References 25 publications

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“…From this study, it was concluded that Gly had a more pronounced effect than nitrogen contribution on FCR and BWG in starter and grower phase, whereas nitrogen contribution improved FCR in the finisher phase. In the study of Kriseldi et al (2017), the positive effect on BWG occurred primarily in the grower phase (15 -28 d), whereas the effect on FCR occurred both in the starter (0 -14 d) and grower phase (15-28 d). The study of Kriseldi et al (2017) was carried out with diets based on corn and soy, whereas the diets in the present study were based on wheat, corn, soy and rapeseed meal.…”

Section: Ospina-rojas Et Al (2013) Also Reported That the Dietary Rementioning

confidence: 91%

“…In the study of Kriseldi et al (2017), the positive effect on BWG occurred primarily in the grower phase (15 -28 d), whereas the effect on FCR occurred both in the starter (0 -14 d) and grower phase (15-28 d). The study of Kriseldi et al (2017) was carried out with diets based on corn and soy, whereas the diets in the present study were based on wheat, corn, soy and rapeseed meal. The crude protein level in Kriseldi's experiment was higher than in our experiment: 193 vs. 177 and 177 vs. 165 g/kg crude protein in grower and finisher phase, respectively.…”

Section: Ospina-rojas Et Al (2013) Also Reported That the Dietary Rementioning

confidence: 91%

“…The current findings, however, demonstrated that dietary Gly in low-protein diets is not growth limiting in the latter part of the growing period of broilers. Kriseldi et al (2017) conducted an experiment in which the effects of feeding low-protein diets supplemented with Gly and/or L-Gln (nitrogen source) on growth performance and carcass characteristics of broilers from 0 -41 days was studied. From this study, it was concluded that Gly had a more pronounced effect than nitrogen contribution on FCR and BWG in starter and grower phase, whereas nitrogen contribution improved FCR in the finisher phase.…”

Section: Ospina-rojas Et Al (2013) Also Reported That the Dietary Rementioning

confidence: 99%

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Glycine plus serine requirement of broilers fed low-protein diets : a dose response study

Harn¹,

Dijkslag²,

Krimpen³

2018

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Harn, J. van, M.A. Dijkslag and M.M. van Krimpen, 2018. Glycine plus serine requirement of broilers fed low-protein diets; A dose response study. Wageningen Livestock Research, Report 1116. SamenvattingIn een dosis-respons studie met 910 Ross 308 vleeskuikenhanen, die werden gehuisvest in 70 grondhokken met strooisel, werd het effect van het glycine(+serine) niveau in laag-eiwitvoeders onderzocht in het leeftijdstraject van 10 -35 dagen. In totaal werden vijf verteerbare glycine+serine niveaus, oplopend in evenredige stappen van 12,4 tot 15,7 g/kg in de groeifase en van 11,4 tot 14,9 g/kg in de eindfase, onderzocht. Daarnaast werd het mogelijk glycine-besparende effect van threonine bestudeerd; hiertoe werd aan het laag-eiwit voer met het laagste glycine+serine niveau extra threonine toegevoegd. De resultaten van de laag-eiwitvoeders werden vergeleken met een voer met een normaal eiwitgehalte met eenzelfde aminozurenprofiel.Uit dit onderzoek kwam naar voren dat het glycine+serine niveau in laag-eiwitvoeders geen noemenswaardig effect had op de productieresultaten, slachtrendementen, strooiselkwaliteit en voetzoollaesiescore en dat een verteerbaar glycine+serine gehalte van 12,4 g/kg en 11,4 g/kg in respectievelijk het groei-en eindvoer voldoende is. SummaryIn a study with 910 Ross 308 male broilers, housed in 70 floor pens bedded with wood shavings, the effect of digestible glycine+serine content (5 levels ranging from 12.4 to 15.7 g/kg and 11.4 to 14.9 g/kg in grower and finisher diets, respectively) in low-protein diets was studied from 10 -35 days of age. In this study, also the glycine-sparing effect of threonine was studied. In total seven different treatments were studied: a control treatment (a normal/high protein diet), five low-protein dietary treatments with increasing levels of digestible glycine+serine and a low-protein dietary treatment in which extra threonine was supplemented to the diet with the lowest glycine+serine level. Growth performance results, slaughter yields, litter quality, litter composition and footpad score were measured.This study showed that the glycine+serine level in low-protein feed did not have a noticeable effect on the production results, slaughter yields, litter quality and foot pad lesion. Based on this study it was concluded that a digestible glycine+serine dose in low-protein diets of 12.4 g/kg and 11.4 g/kg in grower and finisher phase, respectively, is sufficient.

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Section: Ospina-rojas Et Al (2013) Also Reported That the Dietary Rementioning

confidence: 91%

Section: Ospina-rojas Et Al (2013) Also Reported That the Dietary Rementioning

confidence: 91%

Section: Ospina-rojas Et Al (2013) Also Reported That the Dietary Rementioning

confidence: 99%

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Glycine plus serine requirement of broilers fed low-protein diets : a dose response study

Harn¹,

Dijkslag²,

Krimpen³

2018

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“…Glycine is notionally a non-essential amino acid although glycine may become conditionally limiting in reduced CP diets ( Siegert et al., 2015a , 2016 , 2015 b ; Hilliar et al., 2017 b ). In Kriseldi et al. (2017) the effects of glycine equivalents (Gly equi ) and glutamine supplementation on growth performance and carcass characteristics of male Ross 708 broilers reared on reduced CP diets to 42 d post–hatch were investigated.…”

Section: Amino Acid Considerationsmentioning

confidence: 99%

“…(2017 , Exp. 2) Male 21 to 35 160 190 1374 1338 1.710 1.680 21.5 3 19.3 3 Kriseldi et al. (2017) Male 0 to 41 196 220 3057 3072 1.605 1.575 11.9 3 8.5 3 Liu et al.…”

Section: Introductionmentioning

confidence: 99%

Facilitating the acceptance of tangibly reduced-crude protein diets for chicken-meat production

et al. 2020

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Inclusions of non-bound amino acids particularly methionine, lysine and threonine, together with the “ideal protein” concept have allowed nutritionists to formulate broiler diets with reduced crude protein (CP) and increased nutrient density of notionally “essential” amino acids and energy content in recent decades. However, chicken-meat production has been projected to double between now and 2050, providing incentives to reduce dietary soybean meal inclusions further by tangibly reducing dietary CP and utilising a larger array of non-bound amino acids. Whilst relatively conservative decreases in dietary CP, in the order of 20 to 30 g/kg, do not negatively impact broiler performance, further decreases in CP typically compromise broiler performance with associated increases in carcass lipid deposition. Increases in carcass lipid deposition suggest changes occur in dietary energy balance, the mechanisms of which are still not fully understood but discourage the acceptance of diets with reductions in CP. Nevertheless, the groundwork has been laid to investigate both amino acid and non-amino acid limitations and propose facilitative strategies for adoption of tangible dietary CP reductions; consequently, these aspects are considered in detail in this review. Unsurprisingly, investigations into reduced dietary CP are epitomised by variability broiler performance due to the wide range of dietary specifications used and the many variables that should, or could, be considered in formulation of experimental diets. Thus, a holistic approach encompassing many factors influencing limitations to the adoption of tangibly reduced CP diets must be considered if they are to be successful in maintaining broiler performance without increasing carcass lipid deposition.

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The Effects of Different Glycine Equivalent in Low-Protein Diets on the Amino Acids Metabolism for Broilers

Manukyan

Baykovskaya

Abashkina

2021

Fundamental and Applied Scientific Research in the Development of Agriculture in the Far East (AFE-2021)

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Effects of glycine and glutamine supplementation to reduced crude protein diets on growth performance and carcass characteristics of male broilers during a 41-day production period

Cited by 21 publications

References 25 publications

Glycine plus serine requirement of broilers fed low-protein diets : a dose response study

Glycine plus serine requirement of broilers fed low-protein diets : a dose response study

Facilitating the acceptance of tangibly reduced-crude protein diets for chicken-meat production

The Effects of Different Glycine Equivalent in Low-Protein Diets on the Amino Acids Metabolism for Broilers

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