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基于马营养需求的多年生豆禾混播草地生产性能的评价

作  者:
马军;郑伟;张博
单  位:
新疆农业大学草业与环境科学学院/新疆维吾尔自治区草地资源与生态重点实验室
关键词:
豆禾混播草地;马消化能需求;马营养物质需求;产出-需求相对差额;生产性能
摘  要:
用鸭茅、猫尾草、无芒雀麦、紫花苜蓿、红三叶、红豆草建植多年生混播草地,混播草地种类为5种豆禾牧草混播、6种豆禾牧草混播,豆∶禾混播比例分别为3∶7和2∶8。依据建植第1年(2013年)和第2年(2014年)的牧草产量、牧草营养物质产量和消化能产出,以使役马(中型)、使役马(重型)、妊娠马(妊娠11个月)和泌乳马(产驹后3个月均值)营养物质和消化能需求为评价准则,采用营养物质和消化能"产出-需求相对差额"法对几种豆禾混播组合的生产性能进行评价。结果表明:以使役马(中型)、妊娠马营养物质和消化能需求为评价准则,豆∶禾为3∶7的混5组合(紫花苜蓿+红豆草+鸭茅+猫尾草+无芒雀麦)生产性能最高;以使役马(重型)、泌乳马营养物质和消化能需求为评价准则,豆禾比3∶7的另一混5组合(紫花苜蓿+红三叶+鸭茅+猫尾草+无芒雀麦)生产性能最高。
译  名:
Evaluation of production performance for perennial legume-grass mixture grassland based on nutrient needs of horses
作  者:
MA Jun;ZHENG Wei;ZHANG Bo;College of Pratacultural and Environ mental Science,Xinjiang Agricultural University/Xinjiang key Laboratory of Grassland Resources and Ecology;
关键词:
nutritional requirement of horse;;legume-grass mixture grassland;;production performance
摘  要:
Sowed six forages,Dactylis glomerata,Phlemu pretense,Broumis inermis,Medicago stativa,Trifolium pratens,Onobrychis viciaefoliato establish the perennial legume-grass mixture grasslland with difeerent sowing proportion(3∶7and 2∶8)between legume and grass.Selected the indexes of yeild,nutrient,digestible energy of forages in first and second years,and the demand to nutrient and digestible energy by moderate and heavey working horse,pregnant horseas as well as milking horse to evaluate the performance of the sown grasslands by supply-demand way.The results showed that(1)taking the demand of nutrient and digestible energy by the moderate working horse and pregnant horse as evaluation standard,the mixed sowing combination of grass and legume with Dactylis glomerata,Phleum pratense,Bromus inermis,Medicage sativa,Onobrychis viciaefolia had the highest performance;(2)taking the demand of nutrient and digestible energy by the moderate working horse and milking horse as evaluation standard,the mixed sowing combination of grass and legume with Dactylis glomerata,Phleum pratense,Bromus inermis,Medicage sativa,Trifolium pratens had the highest performance.

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