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  • Title: The impact of traditional management on seasonal internal parasite burdens and productivity of indigenous Tswana goats in southern Botswana.
    Author: Nsoso SJ, Machete JB, Molatole M, Ndebele RT, Lebani NN, Chabo RG, Kalake AM, Jacyna L, Segadimo BW, Mine OM.
    Journal: Onderstepoort J Vet Res; 2001 Jun; 68(2):101-4. PubMed ID: 11585086.
    Abstract:
    Data collected monthly over a period of two years were live weight, packed cell volume (PCV), nematode faecal egg counts (FECs) and coccidial oocyst counts from faecal analyses for 100 mixed age (3-7 years) indigenous Tswana does. The aims of this experiment were to determine seasonal FECs and coccidial oocysts in these goats and quantify the relationships of these burdens to liveweight and PCV. FECs significantly (P < 0.05) varied with season, with the warmer seasons viz spring, summer and autumn having higher log (x + 1) parasite burdens than the cooler winter, while seasonal trends for coccidial oocysts were not obvious. PCV was also significantly (P < 0.05) lower in the warmer seasons than winter. FECs and coccidial oocysts in all seasons were less than the mean log (x + 1) of 3.3 inferred to reduce production in small stock. Correlation coefficients were strongly negative: -0.95 for FECs and liveweight and -0.84 for FECS and PCV, indicating that these worms had a negative impact on productivity. A further study should be conducted to quantify the effects of controlling these parasites during the warm seasons on productivity.
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