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當(dāng)前位置: 首頁(yè) » 食品資訊 » 外訊導(dǎo)讀 » 歐盟評(píng)估一種內(nèi)切-1,4-β-木聚糖酶作為所有家禽物種飼料添加劑的有效性

歐盟評(píng)估一種內(nèi)切-1,4-β-木聚糖酶作為所有家禽物種飼料添加劑的有效性

放大字體  縮小字體 時(shí)間:2023-06-27 14:35 來(lái)源:食品伙伴網(wǎng) 作者: 澤夕   
核心提示:2023年6月21日,據(jù)歐盟食品安全局(EFSA)消息,應(yīng)歐盟委員會(huì)要求,歐盟動(dòng)物飼料添加劑和產(chǎn)品(FEEDAP)研究小組就一種內(nèi)切-1,4-β-木聚糖酶(endo-1,4-beta-xylanase)作為所有家禽物種飼料添加劑的有效性發(fā)表科學(xué)意見(jiàn)。
   食品伙伴網(wǎng)訊  2023年6月21日,據(jù)歐盟食品安全局EFSA)消息,應(yīng)歐盟委員會(huì)要求,歐盟動(dòng)物飼料添加劑和產(chǎn)品(FEEDAP)研究小組就一種內(nèi)切-1,4-β-木聚糖酶(endo-1,4-beta-xylanase)作為所有家禽物種飼料添加劑的有效性發(fā)表科學(xué)意見(jiàn)。
 
  據(jù)了解,這種內(nèi)切-1,4-β-木聚糖酶由Komagataella phaffii ATCC PTA-127053生產(chǎn)的。經(jīng)過(guò)評(píng)估,專家小組認(rèn)為該添加劑在建議的最低水平下,有可能有效提高所有家禽的消化率。部分原文報(bào)道如下:
 
  Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the efficacy of endo-1,4-beta-xylanase produced by Komagataella phaffii ATCC PTA-127053 (Xygest HT) as a zootechnical feed additive (functional group: digestibility enhancers) for all poultry. In a previous opinion, the FEEDAP Panel concluded that Xygest HT is safe for all poultry, consumers, and the environment. The additive is not considered to be irritant to eyes and skin but a dermal and a respiratory sensitiser, although exposure by inhalation is unlikely. The Panel also concluded that the additive has the potential to be efficacious in laying hens at 45,000 U/kg complete feed and this conclusion was extrapolated to all laying poultry. However, the Panel could not conclude on the efficacy of the product in growing poultry at the proposed conditions of use. In the current application, the applicant provided an additional efficacy trial in chickens for fattening. The results showed a higher apparent metabolisable energy (nitrogen corrected) in chickens fed the additive at the minimum proposed level of 30,000 U/kg complete feed when compared to the control group. Considering the previously submitted studies in laying hens and chickens for fattening, and the newly submitted study in chickens for fattening, the Panel concluded that Xygest HT has the potential to be efficacious to enhance digestibility in all poultry at the corresponding proposed minimum levels in feed.
 
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日期:2023-06-27
 

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