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Effects of Compound Salt Concentration on Growth, Physiological and Nutritional Value of Hydroponic Forage Wheat

文献类型： 外文期刊

作者： Ma, Yan 1 ; Wang, Jiao 2 ; Sun, Yu 1 ; Dong, Yu 1 ; Cai, Hongyu 1 ; Raja, Imtiaz Hussain 3 ; Guo, Tongjun 4 ; Zhang, Sujiang 1 ;

作者机构： 1.Tarim Univ, Coll Anim Sci & Technol, Tarim Key Lab Anim Husb Sci & Technol, Alar 843300, Peoples R China

2.Tarim Univ, Coll Life Sci & Technol, Alar 843300, Peoples R China

3.Cholistan Univ Vet & Anim Sci, Fac Anim Prod & Technol, Dept Anim Nutr, Bahawalpur 63100, Pakistan

4.Xinjiang Acad Anim Sci, Inst Feed Res, Urumqi 830002, Peoples R China

关键词： salt concentration; hydroponic wheat; physiological characteristics; nutritional characteristics; gas production

期刊名称：AGRICULTURE-BASEL （ 影响因子：3.6； 五年影响因子：3.6 ）

ISSN：

年卷期： 2023 年 13 卷 9 期

页码：

收录情况： SCI

摘要： 1) Background: Hydroponic forage plays an increasingly important role in animal breeding during winter and spring in arid and cold regions due to its rich nutrient and good palatability. In the present study, the profiles of growth, physiological indexes, nutritional value and in vitro degradation of hydroponic forage cultivated with different salt concentration were evaluated. (2) Methods: The compound salt was extracted from soil surrounding the Tarim River Basin, and five compound salt solution treatment groups (three replicates each) with concentrations of 0%, 0.4%, 0.8%, 1.2% and 1.6% were prepared. Winter wheat seeds were selected as hydroponic forage for germination experiments, and the germination, physiological indicators, nutritional value and in vitro fermentation degradation rate were analyzed. (3) Results: The results showed that the germination and growth of hydroponic herbage were significantly (p < 0.05) inhibited by compound salt concentration higher than 0.8% from the third day. Compared with the 0% concentration group, the chlorophyll content in the 0.4% concentration group was significantly increased (p < 0.05), and contents of chlorophyll a, chlorophyll b and total chlorophyll were 729.71 mg center dot g (-1), 223.19 mg center dot g (-1) and 952.9 mg center dot g(-1), respectively. The total chlorophyll content in the 0.8% and 1.2% concentration groups were significantly lower than those in the 0% and 0.4% concentration groups (p < 0.05), and in the 1.6% concentration group, the content undetected. With the increase in compound salt concentration, the contents of soluble sugar and proline were significantly increased (p < 0.05). The nutrient compositions were significantly increased (p < 0.05) under the 0.4% and 0.8% concentration groups, in which the content of crude protein in 0.4% concentration group was 15.23%. The results of gas production and fermentation parameters suggested that the 0.8% concentration group could enhance rumen fermentation characteristics. (4) Conclusions: In summary, 0.8% as the upper limit concentration and 0% to 0.4% as the optimal concentration range of compound salt can be considered for cultivating hydroponic forage wheat.

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