Response of animals to dietary gramine. II. effects of feeding high‐gramine yellow lupin seeds on reproductive performance of rats and on selected hematological and biochemical parameters in offspring

B. Pastuszewska, Anna Ochtabińska, R. Lechowski
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引用次数: 2

Abstract

Two groups of 26 male and 26 female rats at the initial age 30 ± 2 days were fed during 31 weeks on diets containing 20 percent of yellow lupin seeds having low (LG) or high (HG) gramine content. The animals were mated twice within nutritional groups, 1 male: 1 female, and their main reproductive parameters were recorded. In both reproductive cycles body weight of females at mating, after parturition and after 21‐days lactation was lower in HG than in LG group. Fertility rate and body weight of neonates were not affected by the diet while number of neonates per litter tended to be lower by 0.7 and 0.8 pups in HG than in LG group. Body weight of weaners was also substantially smaller in dams fed on HG than LG diet. Relative weight of spleen but not of liver, kidney and heart was significantly greater in HG females. Four weeks old males and females issued from the first litters born to LG and HG animals (ten males and ten females per treatment) were fed individually on respective diets during 3 weeks. Feed intake and growth rate did not differ between the treatments. In males relative weight of liver and testicles was greater, while hematocrit and red blood count were lower in HG than in LG group. In females organ weights did not differ. Activity of liver enzymes determined in males was not affected by the diet. It may be concluded that high‐gramine lupin affects negatively lactational performance, probably via lower feed intake, but it does not induce apparent teratogenic effects in the progeny.
动物对饲粮谷氨酰胺的反应。2饲喂高谷草胺黄苹种子对大鼠生殖性能和后代血液生化指标的影响
30±2日龄的两组大鼠,雄性26只,雌性26只,饲喂低(LG)或高(HG)谷氨酰胺含量的黄苹种子各20%的饲粮,为期31周。在营养组内进行2次交配,1公1母,记录其主要生殖参数。在两个生殖周期中,HG组雌性交配时、分娩后和哺乳期21天后的体重均低于LG组。饲粮对产仔率和体重没有影响,但每窝产仔数比LG组低0.7和0.8只。HG饲粮断奶仔猪的体重也明显小于LG饲粮。HG组女性脾脏相对重量显著高于对照组,而肝脏、肾脏和心脏相对重量均显著高于对照组。在3周的时间里,分别饲喂LG和HG动物第一窝4周龄的公母鼠(每处理10公10母)。各组采食量和生长率无显著差异。男性HG组肝脏和睾丸的相对重量较大,红细胞压积和红细胞计数低于LG组。在女性中,器官重量没有差异。在男性中测定的肝酶活性不受饮食的影响。由此可以得出结论,高γ - gramine lupin可能通过降低采食量对泌乳性能产生负面影响,但不会对后代产生明显的致畸作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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