Absorption and endogenous excretion of phosphorus in growing broiler chicks, as influenced by calcium and phosphorus ratios in feed

Al-Masri, M.R.

doi:10.1079/bjn19950144

Cited by 55 publications

(17 citation statements)

References 12 publications

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“…This could be due to a higher accumulation of phosphorus, as hydroxyapatite, in the skeletal structure compared with the accumulation in the muscle tissue (Al-Masri et al 1995) as also confirmed by the significantly (P < 0.001) higher value of the final body weight (52 days) of the animals of the N group.…”

Section: Nutritional Characteristics Of the Meatmentioning

confidence: 50%

Nucleotides in broiler chicken diet: effect on breast muscles quality

Chiofalo¹,

Presti²,

Savoini³

et al. 2011

Czech J. Food Sci.

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Chiofalo B., Lo Presti V., Savoini G., D'Alessandro E., Chiofalo V., Liotta L. (2011): Nucleotides in broiler chicken diet: effect on breast muscles quality. Czech J. Food Sci., 29: 308-317.The study evaluated the effects of nucleotide dietary supplementation on the physical and nutritional characteristics of the Pectoralis major muscle of male broiler chickens (n = 60 000), divided into two homogeneous groups: Control (C) and Nucleotides (N). The animals of the two groups, from the birth (24 h of age) to the slaughtering age (52 days), received the same diet, supplemented (N) or not (C) with 0.1% of a Nucleotide pool. At the slaughtering, on a sample of 130 animals per group, randomly selected, the physical and nutritional characteristics of Pectoralis major muscle were determined. The meat of the N group showed significantly higher redness and Hue values, lower shear force values, higher lipid and ash percentages and iron content. Moreover, nucleotides significantly increased monounsaturated acids and linolenic acid and decreased eicosapentanoic and docosahexanoic acids. The unsaturation degree was higher in the Nucleotides group and Atherogenic index was positively influenced by the nucleotide supplementation. Nucleotide dietary supplementation improved the physical and nutritional characteristics of the Pectoralis major muscle of broiler chickens.

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Section: Nutritional Characteristics Of the Meatmentioning

confidence: 50%

Nucleotides in broiler chicken diet: effect on breast muscles quality

Chiofalo¹,

Presti²,

Savoini³

et al. 2011

Czech J. Food Sci.

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“…Growth improvement by lowering the Ca to NPP ratio results from the increase in phytase activity, P digestibility, and P retention in broiler chickens (Qian et al, 1997), turkeys (Qian et al, 1996), and pigs (Liu et al, 1998;Stein et al, 2011). Lowering the dietary Ca to NPP ratio also increases the absorbed and retained P (Al-Masri, 1995).…”

Section: Resultsmentioning

confidence: 99%

Effects of calcium to non-phytate phosphorus ratio and different sources of vitamin D on growth performance and bone mineralization in broiler chickens

et al. 2016

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-A 7 × 2 factorial experiment was designed to test the effects of calcium (Ca) to non-phytate phosphorus (NPP) ratio (1.14, 1.43, 1.71, 2.00, 2.29, 2.57, and 2.86) and different sources of vitamin D (1α-hydroxycholecalciferol (1α-OH-D 3 ) and 25-hydroxycholecalciferol (25-OH-D 3 )) on growth performance and bone mineralization in 1-to 42-d-old broiler chickens. On the day of hatch, 700 female Ross 308 broilers were weighed and randomly assigned to 14 treatments with five stainless steel cages of 10 birds each. Dietary Ca levels were 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, and 10.0 g kg −1 and the NPP content was 3.5 g kg −1 . The dose of 1α-OH-D 3 or 25-OH-D 3 was 5 µg kg −1 . Diets were not supplemented with cholecalciferol (vitamin D 3 ). Results showed that the Ca to NPP ratio, vitamin D source, and their interaction affected body weight gain (BWG), feed intake (FI), feed efficiency (FE), and carcass and breast yields, as well as tibia weight and length and ash weight in broiler chickens from 1 to 42 d of age. Broilers fed 1α-OH-D 3 had higher BWG and FI as well as tibia breaking strength, weight, length, diameter, and ash weight than birds fed 25-OH-D 3 at 42 d of age. The Ca to NPP ratio had a quadratic effect on BWG, FI, mortality, as well as tibia breaking strength, weight, length, ash weight, and ash and P contents in 42-d-old broilers. Broiler chickens at 42 d of age obtain optimal growth performance and bone mineralization at the Ca to NPP ratio of 2.32 when 1α-OH-D 3 or 25-OH-D 3 are used as the vitamin D source.

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“…Whereas, fewer studies have considered dietary calcium level and Ca:P ratio in phosphorus absorption relating transporter in the intestine. Increasing Ca concentration in chick diets had a large effect on P absorption (Al-Masri, 1995). Whereas, a study in pigs indicated that sodium-dependent phosphate uptake in the jejunum stimulated by a low-phosphorus diet was independent of dietary calcium concentration (Saddoris et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

The Influence of Dietary Calcium and Phosphorus Imbalance on Intestinal NaPi-IIb and Calbindin mRNA Expression and Tibia Parameters of Broilers

Yuan

Guo

et al. 2012

Asian Australas. J. Anim. Sci

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A 2×2 factorial experiment was conducted to study the effect of dietary calcium and non-phytate phosphorus (nPP) imbalance on calbindin and NaPi-IIb mRNA levels in the small intestine and tibia parameters of broiler chicks. One hundred and forty four 1-d-old Arbor Acres male broiler chicks were divided into four treatments consisted of six replicates with six chicks each. The two dietary calcium levels were 1.10% and 0.60%, and two dietary nPP levels were 0.50% and 0.27%. Results showed that a high Ca/nPP ratio diet (4.07:1) significantly depressed feed intake and weight gain of broilers (p<0.05), but a lower Ca:nPP ratio (1.2:1) had no influence (p>0.05). Low-Ca with low-P diet resulted in low tibia minerals and tibia breaking strength of broilers, and all the tibia parameters were further decreased when the dietary ratio of Ca to P was relative higher. Low dietary Ca or P up-regulated the calbindin and NaPi-IIb mRNA expression levels. Low Ca with normal P diet up-regulated duodenal calbindin mRNA expression level to the greatest extent. Low P with a normal Ca diet significantly enhanced NaPi-IIb mRNA expression level to the highest extent. These results suggest that the calbindin and NaPi-IIb mRNA expression were enhanced by the imbalance between dietary Ca and nPP, and their expression were not only influenced by Ca or nPP level, but also the ratio of Ca:nPP.

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Absorption and endogenous excretion of phosphorus in growing broiler chicks, as influenced by calcium and phosphorus ratios in feed

Cited by 55 publications

References 12 publications

Nucleotides in broiler chicken diet: effect on breast muscles quality

Nucleotides in broiler chicken diet: effect on breast muscles quality

Effects of calcium to non-phytate phosphorus ratio and different sources of vitamin D on growth performance and bone mineralization in broiler chickens

The Influence of Dietary Calcium and Phosphorus Imbalance on Intestinal NaPi-IIb and Calbindin mRNA Expression and Tibia Parameters of Broilers

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