scholarly journals An Observation of Abnormally High Calcium and Phosphorus Levels in Laying Hens with Fatty Liver Syndrome

1981 ◽  
Vol 60 (2) ◽  
pp. 485-486 ◽  
Author(s):  
R.D. MILES ◽  
R.H. HARMS
Keyword(s):  
Fatty Liver ◽  
Laying Hens ◽  
High Calcium ◽  
Calcium And Phosphorus ◽  
Phosphorus Levels

scholarly journals Calcium and Phosphorus Levels in Saliva are Influenced by Genetic Polymorphisms in Estrogen Receptor Alpha and Microrna17

2020 ◽  
Vol 31 (5) ◽  
pp. 466-470
Author(s):  
Erika Calvano Küchler ◽  
Raquel Fernanda Gerlach ◽  
Arthur S Cunha ◽  
Lucas A Ramazzotto ◽  
Paula Porto Spada ◽  
...  
Keyword(s):  
Estrogen Receptor ◽  
Genetic Polymorphisms ◽  
Estrogen Receptor Alpha ◽  
Estrogen Receptor Beta ◽  
Chi Square ◽  
Receptor Alpha ◽  
High Calcium ◽  
Calcium And Phosphorus ◽  
Receptor Beta ◽  
Phosphorus Levels

Abstract Homeostasis between salivary calcium and phosphorus is important for maintaining oral health. The aim of this study was to evaluate if polymorphisms in ESR1 (Estrogen Receptor Alpha), ESR2 (Estrogen Receptor Beta) and miRNA17 (microRNA17) are associated with calcium and phosphorus levels in saliva. Saliva from 276 12-year-old children were collected by masticatory stimulation and calcium and phosphorus levels were determined by Mass Spectrometry. Genomic DNA was extracted from remaining saliva and genetic polymorphisms in ESR1 (rs12154178, rs1884051, rs9340799 and rs2234693), in ESR2 (rs4986938 and rs1256049) and in miRNA17 (rs4284505) were genotyped using TaqMan chemistry and a real-time PCR equipment. Statistical differences in genotype and allele distributions between ‘low’ and ‘high’ calcium and phosphorus levels were determined using chi-square or Fisher´s exact tests. The analysis was also adjusted by sex (alpha of 5%). ESR1 rs9340799 had the less common genotype associated with higher calcium levels (p=0.03). The less common allele of ESR1 rs1884051 was associated with lower phosphorus levels (p=0.005) and there was an excess of heterozygotes for miRNA17 rs4284505 among individuals with lower calcium levels (p=0.002), both adjusted by sex. This study provides evidence that genetic polymorphisms in ESR1 and miRNA17 are involved in determining salivary calcium and phosphorus levels.

INFLUENCE OF CALCIUM AND PHOSPHORUS ON GROWTH AND SKELETAL DEVELOPMENT OF GROWING SWINE

1975 ◽  
Vol 55 (1) ◽  
pp. 147-164 ◽  
Author(s):  
C. E. DOIGE ◽  
J. H. L. MILLS ◽  
B. D. OWEN
Keyword(s):  
Skeletal Development ◽  
National Research Council ◽  
National Academy Of Sciences ◽  
Bone Ash ◽  
High Calcium ◽  
Low Phosphorus ◽  
Calcium And Phosphorus ◽  
Low Levels ◽  
Academy Of Sciences ◽  
Phosphorus Levels

A factorial design with three levels of calcium, three levels of phosphorus, two breeds and both sexes (72 pigs) was employed to study calcium and phosphorus deficiencies and imbalances in swine fed from 22 kg to 90 kg. Dietary levels of both minerals were 50, 100 and 150% of National Academy of Sciences–National Research Council (NAS–NRC) recommendations (1968). Data relating to performance and skeletal development were evaluated. Extreme Ca:P ratios in the diet impaired both performance and skeletal development. All changes were minimal if low levels of either element were accompanied by a Ca:P ratio near 1.25:1. Low calcium–high phosphorus rations resulted in parathyroid enlargement, reduced bone mass, increased numbers of osteoclasts and fibrous replacement of bone. In animals fed high calcium–low phosphorus rations, hypophosphatemia, reduced bone ash and overgrowth of epiphyseal plates were observed. Deviation of the nasal septum occurred but was not related to dietary levels of calcium or phosphorus. Levels of calcium and phosphorus presently recommended by NAS–NRC were consistent with optimal performance and adequate skeletal development.

scholarly journals Available phosphorus in poultry. 1. Effect of phosphorus levels on the performance of laying hens and their egg quality, hatchability, bone analysis and strength in relation to calcium and phosphorus in blood plasma.

1979 ◽  
Vol 27 (2) ◽  
pp. 176-183
Author(s):  
A.R. El Boushy
Keyword(s):  
Shell Thickness ◽  
Egg Production ◽  
Laying Hens ◽  
Egg Quality ◽  
Breaking Strength ◽  
Available Phosphorus ◽  
Inorganic P ◽  
Shell Quality ◽  
Calcium And Phosphorus ◽  
Phosphorus Levels

1. For 6 months 432 medium heavy laying hens were given diets which supplied 0.16, 0.20, 0.40, 0.60, 0.80 or 1.00% available phosphorus. Egg production was greatest by hens given 0.20 or 0.40% P and least by those given 0.16%. Feed intake did not differ among groups. Heaviest eggs, 62.2 g, were laid by hens given 1.00% P. Shell quality, determined from shell percentage, shell thickness and shell index, decreased as P in the diet increased. Hatchability, yolk and white indices of eggs and calcium, P and ash in tibiae of chicks one day old did not differ among groups. Ca in blood of hens did not differ among groups but inorganic P in plasma increased with increasing P in the diet. Ash, Ca and P in tibiae and breaking strength of tibiae of hens increased with increasing P in the diet. (Abstract retrieved from CAB Abstracts by CABI’s permission)

scholarly journals Effect of dietary calcium and phosphorus levels on growth, carcass characteristics and liver and kidney functions of growing Egyptian geese

2021 ◽  
pp. 101244
Author(s):  
Mahmoud Alagawany ◽  
Elwy Ali Ashour ◽  
Mohamed Soliman El-Kholy ◽  
Laila Ali Mohamed ◽  
Mohamed Ezzat Abd El-Hack
Keyword(s):  
Carcass Characteristics ◽  
Dietary Calcium ◽  
Liver And Kidney ◽  
Calcium And Phosphorus ◽  
Kidney Functions ◽  
Phosphorus Levels
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