1990年5月15日,农业部率先推出了"绿色食品"工程,这对于保护农业生态环境,推动环境保护工作,提高我国农产品质量,保障人民身体健康,增加我国农产品和食品出口创汇,都具有重要
Background: Immune protection in newborn calves relies on a combination of the timing,volume and quality of colostrum consumed by the calf after birth.Poor qual
20世纪90年代中期,浙江省丽水市的云和、莲都、青田、缙云、松阳和龙泉等县区陆续引进一批国外李品种,如黑宝石李、蜜思李、黑琥珀李和威克逊李等,1997年在浙江省林业厅、丽
Background:Previous studies with broiler have shown dietary supplementation with multi-enzyme complex containing non-starch polysaccharides(NSP) degrading enzym
Background:Previous research has revealed a strong inflammatory response within adipose(AT)tissue during the transition into lactation.Whether this effect is a
龙眼整芽控梢对适龄树花果形成的影响莆田市农科所彭建平龙眼是珍贵的亚热带水果,近年来栽培面积发展很快,但产量长期却一直徘徊不前。其主要原因之一是新植龙眼投产迟,无法获得
荔枝为无患子科荔枝属的常绿乔木果树.果实圆形,成熟时果皮红艳可爱,果肉香甜可口,营养丰富,被誉为果中的珍品.常食荔枝,能补脑健身,开胃益脾,壮阳补气.荔枝原产于我国华南地
荔枝是梅州市的主栽果树,全市种植面积5470hm^2,其中1995年以来种植的适龄荔枝2130hm^2,占39%,但投产迟、产量低且不稳定,有的基本没产量。幼龄和适龄荔枝树出现不开花或成花差、坐
Background:Early pregnancy failure has a profound impact on both human reproductive health and animal production.2/3 pregnancy failures occur during the peri-im