EFFECT OF HOUSING SYSTEMS ON THE REPRODUCTIVE PERFORMANCE OF SOWS AND GILTS

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dc.contributor.advisorP.C. Saseendran
dc.contributor.authorV. RAMESH
dc.date.accessioned2020-03-12T07:38:40Z
dc.date.available2020-03-12T07:38:40Z
dc.date.issued1998
dc.description.abstractAn experiment was conducted to findout the effect of housing systems on the reproductive performance of sows and gilts. Three types of housing systems namely, conventional house with wallowing tank (control TJ , conventional house with sprinklers (Tj) and range system (Tj) were put to test. Eighteen sows and eighteen gilts were reared under each system. A significantly lower (P<0.01) temperature was observed in sprinkler system (33.0°C) when compared to conventional (35.0°C) and range (34.35°C). There was nc significant difference in relative humidity between the groups. Significant difference (P<0.01) between treatment groups Ti with Tj and T3 in age at puberty and mating in gilt which were 305.47 ± 9.51, 270.36 ± 8.75 and 276.22 ± 5.- ;. respectively. The gilts under the treatment group T^ and T, had reached piiberty and were mated earlier than Ti group. The weight of gilts at the time of breeding was significantly (P<0.05) lower in treatment group T3 (75.39 ± 3.19) when compared to Tj (97.63 ± 3.09) and T^ (93.11 ± 3.73). But T3 group gilts had compensatory weight gain during pregnancy and difference between treatment groups in weight of gilts at one week after farrowing and at weaning were non significant. The weight of sows at the time of breeding, one week after farrowing and at weaning were significantly lower (P<0.05) in treatment group Tj when compared to T3 and . S .gnificantl' higher (P<0.01) percentage of oestrus occurrence, breeding success and intensity of oestrus were observed in T, and T3 group than group. The gestation length and post weaning oestrus period were found to be non-significantly different between the groups. The litter size at birth and weaning were 9.06 ± 0.26 and 6.87 ± 0.22 respectively in gilts and 9.38 ± 0.33 and 6.92 ± 0.05 respectively in sows reared under range system (T3) which were highly significant (P<0.01) than the litter size at birth and weaning obtained for gilts (5.85 ± 0.40 and 4.00 ± 0.69 respectively) and sows (7.09 ± 0.68 and 4.63 ± 0.70 respectively) reared under conventional system (TJ . Between T^ and T3 there was no significant difference. The litter weight at birth and weaning in T3 groups of 13.89 ± 0.43 kg and 62.72 ± 1.99 kg respectively in gilts and 14.35 ± 0.52 kg and 63.84 ± 4.04 kg respectively in sows were found to be highly significant than T^ group and non significantly higher than T, group. The cost of installing sprinkler in conventional pen and providing range in place of conventional pen were estimated to be Rs.29/m^ and Rs.l25/m= respectively. In the present study the reproductive performance of pigs maintained under sprinkler and range system was found to be better than the pigs maintained under conventional system. But the range system may not be practical and economically feasible always when compared to sprinkler systemen_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/5810145252
dc.keywordsEFFECT HOUSING SYSTEMS REPRODUCTIVE PERFORMANCE SOWS GILTSen_US
dc.language.isoenen_US
dc.pages90en_US
dc.publisherCOLLEGE OF VETERINARY AND ANIMAL SCIENCES-MANNUTHY,THRISSURen_US
dc.research.problemEFFECT OF HOUSING SYSTEMS ON THE REPRODUCTIVE PERFORMANCE OF SOWS AND GILTSen_US
dc.subLivestock Production and Managementen_US
dc.subjectnullen_US
dc.themeEFFECT OF HOUSING SYSTEMS ON THE REPRODUCTIVE PERFORMANCE OF SOWS AND GILTSen_US
dc.these.typeM.V.Sc.en_US
dc.titleEFFECT OF HOUSING SYSTEMS ON THE REPRODUCTIVE PERFORMANCE OF SOWS AND GILTSen_US
dc.typeThesisen_US
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