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对于新生仔猪来说,母猪通常被认为是一种理想饲料,是仔猪生命早期唯一的营养来源,以及哺乳期主要的营养源。初乳及母乳的作用再怎么强调都
2016-10-08 15:01:51 -
前言在中国,规模化养猪的发展已经历了近40年的历史,近几年来由于政府越来越重视环保和新农村建设,以及社会经济的发展,家庭式和个体户式
2016-10-08 11:49:38 -
在农业政策调整,养猪优惠政策的刺激下,越来越多的农户建立起养猪场,并从中收到了切实利益
2016-10-05 14:35:21 -
引起公猪精子活力低下的病因较多。归纳起来主要有以下几类:
2016-10-05 14:35:21 -
现代营养研究表明,适宜的营养水平是提高种猪健康水平和繁殖性能的决定性因素。无论是营养水平过高或过低,均会导致种猪健康恶化和繁殖机能减退。
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MySQL Query : SELECT * FROM `zhuwang_www`.`v9_article_data` where id=292253
MySQL Error : SELECT command denied to user 'zw_www'@'localhost' for table 'v9_article_data'
MySQL Errno : 1142
Message : SELECT command denied to user 'zw_www'@'localhost' for table 'v9_article_data'
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