1995
DOI: 10.1111/j.1439-0396.1995.tb00399.x
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The effect of dietary calcium on the efficacy of microbial phytase in rations for growing pigs1

Abstract: ZusammenfassungDer Einfluß von Calcium auf die Wirksamkeit mikrobieller Phytase in Rationen wachsender SchweineIn einem 3‐wöchigen Versuch mit 30 kastrierten wachsenden männlichen Schweinen (DLS x Pit; 6 Tiere/Gruppe; 16 kg Anfangsgewicht) wurde der Effekt steigender Calciumgehalte des Futters auf die Wirksamkeit eines Zusatzes mikrobieller Phytase [(1 000 U/kg) NatuphosR, BASF AG, Ludwigshafen, Deutschland) zur Verbesserung der Verwertung pflanzlichen Phosphors aus einer Gerste/Sojaextr. schrot/Sonnenblumenex… Show more

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Cited by 29 publications
(25 citation statements)
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“…The average increase in P and Ca retention in response to phytase supplementation was in agreement with earlier studies (Lantzch et al, 1995;Jongbloed et al, 1996). Although deposition of these elements increased, the Ca:P ratio in the body did not change, hence the conclusions that there is no need to adjust the Ca content in the diet when using phytase .…”
Section: Discussionsupporting
confidence: 81%
See 1 more Smart Citation
“…The average increase in P and Ca retention in response to phytase supplementation was in agreement with earlier studies (Lantzch et al, 1995;Jongbloed et al, 1996). Although deposition of these elements increased, the Ca:P ratio in the body did not change, hence the conclusions that there is no need to adjust the Ca content in the diet when using phytase .…”
Section: Discussionsupporting
confidence: 81%
“…Fernandez (1995) also found that net retention of P increased as the amount of absorbed P increased, but the ratio of deposited to absorbed P decreased gradually as absorption increased, which in effect caused a reduction in P utilization. The utilisation of digestible P in our study was 5-10% lower than reported in the literature (Lantzch et al, 1995;Nasi et al, 1995;Helander et al, 1996). This difference may be in part explained by the methods used to measure P balance (in metabolic cages or by comparative slaughter technique) which give different results (Jongbloed, 1987).…”
Section: Discussioncontrasting
confidence: 56%
“…In the present study, P was kept constant to test the effects of 4, 6 and 8 g/Ca kg on P digestibility but the influence of Ca was not significant. Lantzsch et al (1995) reported a small decrease in P digestibility with higher dietary Ca whereas Brady et al, 2002 found that in a diet with constant P (4.4 g/kg) the increase in Ca (5 to 8 g/kg) resulted in a significantly depressed P digestibility (4 percent points) but only when phytase was added (330 to the basal diet with 40 FTU/kg). Liu et al (2000) found that a reduced Ca:P ratio (1.5 to 1.0:1) in corn based diets low in P increased net P absorption whereas the present study with diets rich in plant phytase found no significant effect of reducing the Ca:P ratio (1.8 to 0.9:1).…”
Section: Discussionmentioning
confidence: 92%
“…Several, generally supportive studies in pigs (Lantzsch et al, 1995;Qian et al, 1996b;Liu et al, 1998;Li et al, 1999;Brady et al, 2002), broilers (Sebastian et al, 1996;Qian et al, 1997) and turkeys (Qian et al, 1996c) have been published. Also, Liu et al (2000) reported that increasing Ca:P ratios from 1.0 to 1.5:1 reduced ileal absorption of P from 4.5 to 2.2 g day − 1 in pigs offered low-P, phytase-supplemented diets.…”
Section: Dietary Calcium Levels and Calcium:phosphorus Ratiosmentioning
confidence: 97%