RESEARCH PAPER

Nutritional Value Evaluation of Broussonetia papyrifera Sprouts for Mid-Speed Yellow Broilers

  • LI Bin ,
  • ZENG Ziyou ,
  • HUANG Yingyan ,
  • TU Hao ,
  • ZHAO Ying ,
  • HUANG Lirong ,
  • LI Lin ,
  • YU Jie
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  • 1. Sichuan Tequ Agriculture and Animal Husbandry Technology Group Co., Ltd., Chengdu 610207, China;
    2. Key Laboratory of Animal Disease-Resistance and Nutrition of Sichuan Province, Key Laboratory of Animal Disease-Resistance and Nutrition of Ministry of Education, College of Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China

Received date: 2022-03-03

  Online published: 2022-10-17

Abstract

The purpose of the experiment was to evaluate the metabolizable energy values and nutrient availability of Broussonetia papyrifera sprouts in mid-speed yellow broilers, in order to evaluate the nutritional value of Broussonetia papyrifera sprouts for mid-speed yellow broilers. Thirty-three 60-day-old healthy male mid-speed yellow broilers (Huanghua female broilers) weighing (1.84±0.48) kg were randomly divided into 3 groups with 11 replicates per group and 1 bird per replicate. Broilers in group A (control group) were fed a basal diet, those in group B (test group) were fed a test diet (part of corn, soybean meal and oil in the basal diet were replaced by Broussonetia papyrifera sprouts, and the replacement proportion was 20%), group C was starvation endogenous group. The test lasted for 10 days. Energy metabolism indices and nutrient availability were measured by total excreta collection method and difference method. The results showed that the apparent metabolizable energy, true metabolizable energy, nitrogen corrected apparent metabolizable energy and nitrogen corrected true metabolizable energy of Broussonetia papyrifera sprouts in mid-speed yellow broilers were 9.55, 10.22, 9.33 and 9.96 MJ/kg, respectively, and the total energy metabolic rate, nitrogen utilization rate, apparent nitrogen deposition and true nitrogen deposition were 44.08%, 70.80%, 0.64% and 0.75%, respectively; the apparent availability of crude protein, crude fat, crude fiber, calcium and phosphorus were 70.96%, 84.53%, 35.58%, 59.45% and 78.21%, respectively; and the true availability of crude protein, crude fat, crude fiber, calcium and phosphorus were 110.32%, 87.91%, 26.23%, 59.85% and 108.17%, respectively. The results show that Broussonetia papyrifera sprouts can be reasonably used in the diet of mid-speed yellow broilers according to the available energy and protein level.

Cite this article

LI Bin , ZENG Ziyou , HUANG Yingyan , TU Hao , ZHAO Ying , HUANG Lirong , LI Lin , YU Jie . Nutritional Value Evaluation of Broussonetia papyrifera Sprouts for Mid-Speed Yellow Broilers[J]. Chinese Journal of Animal Nutrition, 2022 , 34(9) : 5713 -5720 . DOI: 10.3969/j.issn.1006-267x.2022.09.026

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