scholarly journals The Effects of Dietary Phosphorus on the Growth Performance and Phosphorus Excretion of Dairy Heifers

2015 ◽  
Vol 29 (7) ◽  
pp. 960-964 ◽  
Author(s):  
B. Zhang ◽  
C. Wang ◽  
Z. H. Wei ◽  
H. Z. Sun ◽  
G. Z. Xu ◽  
...  
Keyword(s):  
Growth Performance ◽  
Phosphorus Excretion ◽  
Dairy Heifers ◽  
Dietary Phosphorus

The interrelationship of porcine somatotropin administration and dietary phosphorus on growth performance and bone properties in developing gilts

1993 ◽  
Vol 71 (10) ◽  
pp. 2683-2692 ◽  
Author(s):  
T. L. Weeden ◽  
J. L. Nelssen ◽  
R. D. Goodband ◽  
J. A. Hansen ◽  
K. G. Friesen ◽  
...  
Keyword(s):  
Growth Performance ◽  
Dietary Phosphorus ◽  
Porcine Somatotropin ◽  
Bone Properties

scholarly journals Dietary Calcium to Digestible Phosphorus Ratio for Optimal Growth Performance and Bone Mineralization in Growing and Finishing Pigs

Animals ◽  
2020 ◽  
Vol 10 (2) ◽  
pp. 178 ◽  
Author(s):  
Patrick Schlegel ◽  
Andreas Gutzwiller
Keyword(s):  
Growth Performance ◽  
Mineral Content ◽  
Bone Mineralization ◽  
Dietary Calcium ◽  
Phosphate Removal ◽  
Volumetric Density ◽  
Dietary Phosphorus ◽  
Maximal Load ◽  
Bone Properties ◽  
Bone Ash

Within the context of maximizing the use of dietary phosphorus, a growing-finishing pig study was conducted to determine the optimal total dietary calcium (Ca) to digestible phosphorus (dP) ratio and to verify the possibility of mineral phosphate removal during the finishing period on growth performance and mineral status. The potential for replacing chemical and mechanical bone properties by dual energy X-ray absorptiometry (DXA) measures on non-dissected feet was also verified. Three Ca to dP ratios (2.2:1, 2.5:1 and 2.8:1) within two dP levels (P+, P–) were fed during 91 days to 84 pigs. The grower and finisher P+ diets contained 3.0 and 2.4 and P– diets contained 2.5 and 1.7 g dP/kg, respectively. Growth performance and blood serum mineral content were independent of treatments, except that 2.2:1 impaired finisher feed conversion ratio compared to 2.5:1 and 2.8:1. Urinary P concentration increased by 37% in 2.2:1 compared to 2.5:1 and 2.8:1. Maximal load on bone and DXA mineral density were reduced in 2.2:1 compared to 2.8:1. Bone ash and volumetric density were reduced in 2.2:1 and 2.5:1 compared to 2.8:1. Diet P– reduced bone ash, maximal load, volumetric density and DXA bone mineral content and density. No interaction was observed between Ca and dP level. Therefore, 2.2:1 was insufficient for an efficient metabolic use of P, 2.5:1 was sufficient to maximize growth performance and 2.8:1 further improved bone mineralization. Increasing dietary Ca did not impair bone zinc content. Diets P– without supplemented mineral phosphates during the finisher period resulted, per pig, in a decrease of its use by 65% and of the calculated P excretion by 41%, without impaired growth performance. Finally, DXA data responded to dietary treatments as did labor intensive chemical and mechanical bone properties.

scholarly journals Effects of Adding Phytase from Aspergillus niger to a Low Phosphorus Diet on Growth Performance, Tibia Characteristics, Phosphorus Excretion, and Meat Quality of Broilers 35 days after hatching

2020 ◽  
Vol 57 (1) ◽  
pp. 28-36
Author(s):  
Karthika Srikanthithasan ◽  
Shemil P. Macelline ◽  
Samiru S. Wickramasuriya ◽  
Himali Tharangani ◽  
Li-Ang ◽  
...  
Keyword(s):  
Aspergillus Niger ◽  
Growth Performance ◽  
Meat Quality ◽  
Phosphorus Excretion ◽  
Low Phosphorus

scholarly journals Effects of straw processing and pen overstocking on the growth performance and sorting characteristics of diets offered to replacement Holstein dairy heifers

2018 ◽  
Vol 101 (2) ◽  
pp. 1074-1087 ◽  
Author(s):  
W.K. Coblentz ◽  
M.S. Akins ◽  
N.M. Esser ◽  
R.K. Ogden ◽  
S.L. Gelsinger
Keyword(s):  
Growth Performance ◽  
Dairy Heifers
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