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Genetic Resistance of Barbari and Jamunapari Kids to Natural Infection with Gastrointestinal Nematodes

机译:Barbari和Jamunapari孩子对胃肠道线虫自然感染的遗传抗性

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An investigation was made in 252 Barbari and Jamunapari kids to assess their resistance to natural infection with gastrointestinal (GI) nematodes and to establish indicator traits for such resistance in Indian goats. The indicator traits, faecal egg counts (FEC) and packed cell volume (PCV) were affected by various genetic and non-genetic factors. There were no breed differences in the FEC or PCV at 3, 6 or 9 months of age. Jamunapari male kids had a higher FEC than the female kids at 6 months of age. However, Barbari female kids had a higher FEC than the respective male kids at 9 months of age. At 6 months of age in both breeds, the kids born in the spring (March–April) had a higher FEC than those born in the autumn (October–November). The FEC of kids at 9 months of age was higher than at 3 or 6 months of age. Sire had a significant effect on PCV at 6 and 9 months of age. The kids born in the autumn had a higher PCV than those born in the spring. The PCV of male Barbari kids differed significantly from that of female kids at all the ages. The correlation coefficient of FEC on both body weight and body weight gain was negative, and there was a loss of body weight in the individuals with a high FEC.
机译:对252名Barbari和Jamunapari孩子进行了调查,以评估他们对胃肠道(GI)线虫的自然感染的抵抗力,并确定印度山羊对这种抵抗力的指示性状。指示剂性状,粪便卵数(FEC)和堆积细胞体积(PCV)受各种遗传和非遗传因素影响。在3、6或9个月大时,FEC或PCV没有品种差异。 Jamunapari男性孩子在6个月大时的FEC高于女性孩子。但是,在9个月大时,Barbari女童的FEC高于相应的男童。在两个品种中,六个月大时,春季(三月至四月)出生的孩子的FEC比秋季(十月至十一月)的孩子高。 9个月大的孩子的FEC高于3或6个月大的孩子。 ire麻对6个月和9个月大的PCV有显着影响。秋季出生的孩子的PCV高于春季出生的孩子。在各个年龄段,男性Barbari孩子的PCV与女性孩子的PCV都有很大差异。 FEC与体重和体重增加的相关系数均为负,并且在FEC高的个体中体重减轻。

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