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Replacement of soybean oil by Hermetia illucens fat in turkey nutrition: effect on performance, digestibility, microbial community, immune and physiological status and final product quality.
British Poultry Science ( IF 2 ) Pub Date : 2020-01-31 , DOI: 10.1080/00071668.2020.1716302
J Sypniewski 1 , B Kierończyk 2 , A Benzertiha 2 , Z Mikołajczak 2 , E Pruszyńska-Oszmałek 3 , P Kołodziejski 3 , M Sassek 3 , M Rawski 4 , W Czekała 5 , D Józefiak 2
Affiliation  

1. The aim of the present study was to investigate the effect of partial (50%) or total replacement of soybean oil (SO) by black soldier fly larvae (BSFL) fat on the growth performance, coefficients of apparent nutrient digestibility, selected internal organ weights and length, pancreatic enzyme activity and gastrointestinal tract (GIT) microecology modulation, as well as microbiota activity, physiological and immunological responses in young turkey poults.

2. A total of 216, seven day old female turkeys (B.U.T 6) were randomly distributed to three dietary treatments using six replicate pens per group with 12 birds per pen. The following design of the trial was applied: SO 100% soybean oil; BSFL50 a 50/50 combination of SO and BSFL fat; or 100% BSFL fat (total replacement of SO).

3. The use of BSFL fat did not affect the growth performance, nutrient digestibility, GIT morphology, or quality of the breast and thigh muscles. However, reduced trypsin activity was noticed in the BSFL100 group, but this had no effect on digestibility. Total replacement of SO reduced proliferation of potentially pathogenic bacteria, i.e., Enterobacteriaceae spp., as well as decreasing levels of IL-6, while partial substitution lowered the TNF-α concentration.

4. The replacement of commonly used SO by BSFL fat can be successfully applied in young turkey poult nutrition. BSFL fat may be considered an antimicrobial agent and support immune responses.



中文翻译:

Hermetia illucens 脂肪在火鸡营养中替代大豆油:对性能、消化率、微生物群落、免疫和生理状态以及最终产品质量的影响。

1. 本研究的目的是研究用黑水虻幼虫 (BSFL) 脂肪部分(50%)或全部替代大豆油(SO)对生长性能、表观养分消化系数、选定的内部器官重量和长度、胰腺酶活性和胃肠道 (GIT) 微生态调节,以及年轻火鸡雏鸡的微生物群活性、生理和免疫反应。

2. 总共 216 只 7 日龄雌性火鸡(但 6 只)被随机分配到三个日粮处理中,每组使用 6 个重复栏,每栏 12 只鸟。应用了以下试验设计: SO 100% 大豆油;BSFL50 SO 和 BSFL 脂肪的 50/50 组合;或 100% BSFL 脂肪(完全替代 SO)。

3. BSFL 脂肪的使用不影响生长性能、营养消化率、GIT 形态或胸部和大腿肌肉的质量。然而,在 BSFL100 组中注意到胰蛋白酶活性降低,但这对消化率没有影响。SO 的完全替代降低了潜在致病菌(即肠杆菌科细菌)的增殖,并降低了 IL-6 的水平,而部分替代降低了 TNF-α 的浓度。

4、BSFL脂肪替代常用SO可成功应用于幼火鸡营养。BSFL 脂肪可能被认为是一种抗菌剂并支持免疫反应。

更新日期:2020-01-31
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