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  • 悬赏金额:20积分状态:已解决
  • 求助文献一篇:Poult Sci 2008. 87:949-957.
    The Effect of Dietary Phosphorus Level and Phytase Supplementation on Growth Performance, Bone-Breaking Strength, and Litter Phosphorus Concentration in Broilers
    请高手帮忙!谢谢!!
    如能下载烦请发送wangjr9332@sina.com,或者直接在论坛附件中。

skyzhang521 2008/05/25

楼主你看看这片文献不!! [img]https://www.instrument.com.cn/bbs/images/affix.gif[/img][url=http://www.instrument.com.cn/bbs/download.asp?ID=90658]The Effect of Dietary Phosphorus Level and Phytase Supplementation on Growth Performance, Bone-Breaking Strength[/url]

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  • skyzhang521

    第1楼2008/05/25

    not ok yet.
    链接 http://ps.fass.org/cgi/content/abstract/87/5/949

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  • honest

    第2楼2008/05/25

    能下载全文吗?我想要全文,谢谢!

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  • zhouqj

    第3楼2008/05/25

    只有摘要哦
    This research was conducted to determine the effects of feeding different P levels with and without phytase supplementation on broiler growth performance, bone-breaking strength (BBS), and litter P concentration. An experiment with 4 trials was conducted with 7,840 Ross x Ross straight-run broilers. For each trial, 1,960 broilers were allotted on d 0 to treatments, with 7 replications each and with 70 broilers per replication. The broilers were fed a 4-period feeding program consisting of starter (0 to 14 d), grower (14 to 32 d), finisher (32 to 41 d), and withdrawal (41 to 50 d) periods. For each trial, the same pen was used continuously for each treatment-replication combination, and the litter was not removed between trials. Broilers were fed a control diet [0.43, 0.40, 0.36, or 0.32% nonphytate P (nPP)] in the starter, grower, finisher, and withdrawal periods, respectively, a low Ca and P (LCaP) diet with a 0.05% reduction in nPP in each period, and these 2 diets supplemented with phytase at 600 phytase units/kg (nPP and Ca were reduced by 0.094% in diets with phytase). Diet did not affect (P > 0.10) broiler performance in the starter or withdrawal periods. Generally, both phytase addition and the LCaP diet decreased some aspects of growth performance during the grower and finisher periods. There was no main effect of phytase on BBS, but BBS was decreased in the broilers fed the LCaP diet with phytase addition (nPP x phytase, P < 0.01) in the grower period, and BBS was decreased in the finisher (P < 0.02) and withdrawal (P < 0.01) periods for broilers fed the LCaP diet. Total P, soluble P (SP), and reactive soluble P (RSP) were decreased (P < 0.04) in the litter of broilers fed the LCaP diets. Total P, SP, and RSP were decreased (P < 0.01) in the litter of broilers fed phytase. These data indicate that phytase supplementation at 600 phytase units/kg reduces growth in some periods, has no effect on BBS, and reduces total P, SP, and RSP in the litter.

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  • 该帖子已被版主-我在故我思加2积分,加2经验;加分理由:应助
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  • 该帖子已被版主-我在故我思加2积分,加2经验;加分理由:应助
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  • willsmith81

    第6楼2008/05/26

    下载吧,绝对没有问题的!!!!!!!

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  • honest

    第7楼2008/05/26

    尽管不是我要找的文献,但对我很有用,谢谢

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