Effects of essential oils and betaine on male broilers raised on used litter seeded with coccidia oocysts

IF 1.6 3区农林科学 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE Journal of Applied Poultry Research Pub Date : 2024-02-10 DOI:10.1016/j.japr.2024.100417

C.J. Fritzlen , K.M. Wilson , J.M. Samper , M.E. Persia

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Abstract

An experiment was conducted to evaluate the effects of essential oils (garlic and cinnamon extracts) and betaine on growth performance and oocyst shedding of 42-day-old male broilers raised on used litter seeded with coccidia oocysts. Treatments included: negative control (NC) a nonsupplemented diet with broilers raised on fresh shavings, positive control (PC) the same nonsupplemented diet with broilers raised on used litter, the same diet formulation with 50 ppm of active salinomycin sodium (Bio-Cox 60;PC+Sal) raised on used litter, or the same diet formulation with 500 ppm of essential oils and 250 ppm of betaine (PC+EO+B) raised on used litter. The PC worsened performance (BW gain; BWG or mortality corrected FCR; FCRm) in comparison to NC and PC+Sal over 0 to 16 and 0 to 29 d (P ≤ 0.05) and 0 to 42 d (P ≤ 0.10). The PC+EO+B increased BWG relative to PC over 0 to 16 and 0 to 29 d (P ≤ 0.05) and from 0 to 42 d (P = 0.07). The PC+EO+B improved FCRm in comparison to PC over 0 to 16 and 0 to 42 d (P ≤ 0.05). The PC+EO+B was similar to NC and PC+Sal for BWG and FCRm across all time periods (P > 0.05). Oocyst counts were lowest in NC, highest in PC, and intermediate in PC+Sal and PC+EO+B for all periods. In conclusion, the reduced performance and increased oocyst shedding in the PC validate a mild coccidiosis infection and the combination of essential oils and betaine were able to ameliorate the negative effects.

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香精油和甜菜碱对在撒有球虫卵囊的旧窝中饲养的雄性肉鸡的影响

我们进行了一项实验，以评估精油（大蒜和肉桂提取物）和甜菜碱对在撒有球虫卵囊的旧窝上饲养的 42 日龄雄性肉鸡的生长性能和卵囊脱落的影响。处理包括：使用新鲜刨花饲养肉鸡的无添加日粮阴性对照组（NC）、使用旧砂饲养肉鸡的相同无添加日粮阳性对照组（PC）、使用旧砂饲养肉鸡的添加 50ppm 活性盐霉素钠的相同日粮配方（Bio-Cox 60；PC+Sal）或使用旧砂饲养肉鸡的添加 500ppm 精油和 250ppm 甜菜碱的相同日粮配方（PC+EO+B）。与NC和PC+Sal相比，PC在0-16 d、0-29 d（P≤0.05）和0-42 d（P≤0.10）期间会降低动物的生产性能（体重增重；BWG或死亡率校正后的FCR；FCRm）。PC+EO+B相对于PC在0至16天、0至29天（P≤0.05）和0至42天（P=0.07）增加了体重。与 PC 相比，PC+EO+B 可在 0 至 16 d 和 0 至 42 d 内提高 FCRm（P ≤ 0.05）。在所有时间段内，PC+EO+B 在 BWG 和 FCRm 方面与 NC 和 PC+Sal 相似（P > 0.05）。在所有时期，NC 的卵囊数最少，PC 的卵囊数最多，PC+Sal 和 PC+EO+B 的卵囊数居中。总之，PC中性能下降和卵囊脱落增加验证了轻度球虫病感染，而精油和甜菜碱的组合能够改善其负面影响。

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来源期刊

Journal of Applied Poultry Research 农林科学-奶制品与动物科学

CiteScore

4.10

自引率

10.50%

发文量

审稿时长

104 days

期刊介绍： The Journal of Applied Poultry Research (JAPR) publishes original research reports, field reports, and reviews on breeding, hatching, health and disease, layer management, meat bird processing and products, meat bird management, microbiology, food safety, nutrition, environment, sanitation, welfare, and economics. As of January 2020, JAPR will become an Open Access journal with no subscription charges, meaning authors who publish here can make their research immediately, permanently, and freely accessible worldwide while retaining copyright to their work. Papers submitted for publication after October 1, 2019 will be published as Open Access papers. The readers of JAPR are in education, extension, industry, and government, including research, teaching, administration, veterinary medicine, management, production, quality assurance, product development, and technical services. Nutritionists, breeder flock supervisors, production managers, microbiologists, laboratory personnel, food safety and sanitation managers, poultry processing managers, feed manufacturers, and egg producers use JAPR to keep up with current applied poultry research.