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Anilkumar R.,Tamil Nadu Veterinary and Animal Sciences University | Anilkumar R.,Veterinary College and Research Institute | Iyue M.,Tamil Nadu Veterinary and Animal Sciences University | Venkataramanan R.,Tamil Nadu Veterinary and Animal Sciences University | Venkataramanan R.,Post Graduate Research Institute in Animal science
Indian Journal of Animal Sciences | Year: 2015

The present work was undertaken to study the growth and hatch performance of geese maintained at Sheep Breeding Research Station, Sandynallah. The average clutch size was 7.18±0.14. The mean hatchability percentage was 62.35±1.92. The mean body weight at hatching was 90.49±0.46 g. The year, seasons and age of dam had significant effect on hatch weight. The highest body weight gain was recorded from fourth week to second month of age. The ADG was significantly affected by year, season, age of the dam and sex in most of the growth phases. Survivability was higher in gosling born during summer and was very poor in north east monsoon period. Hatch weight had significant effect on survivability. Source


Biradar S.S.,Veterinary Dispensary | Saravanan B.C.,Indian Veterinary Research Institute | Tewari A.K.,Indian Veterinary Research Institute | Sreekumar C.,Post Graduate Research Institute in Animal science | And 2 more authors.
Acta Parasitologica | Year: 2014

PCR-RFLP and nucleotide sequencing based genotyping of Toxoplasma gondii Indian isolates (Izatnagar and Chennai isolates and Chennai clone) vis-a vis RH-IVRI strain was conducted by targeting GRA6 as genetic marker. The 791 bp GRA6 product was PCR amplified from the genomic DNA of different T. gondii Indian isolates, including the RH-IVRI strain. Tru1I restriction endonuclease based PCR-RFLP of GRA6 sequence produced polymorphic digestion pattern that discriminated the virulent RH-IVRI strain (as type I) from the moderately virulent local isolates as type III. The PCR amplicon of T. gondii GRA6 from RH-IVRI strain as well as from the local isolates were cloned in cloning vector and custom sequenced. The nucleotide and deduced amino acid sequences of T. gondii isolates were aligned with that of the type I, II and III strains (RH, BEVERLEY, ME49, C56, TONT and NED) available in public domain and analyzed in silico using MEGA version 4.0 software. Nucleotide sequencing and phylogenetic analysis of GRA6 marker from the Indian isolates revealed a close genetic relationship with type III strains of T. gondii. Further, detection of a single nucleotide polymorphism (SNP) at positions 162 and 171 of the GRA6 marker, established the lineage of Indian isolates as type III. This is the first report on characterization of T. gondii lineage as type III in selective chicken population of India based on PCR-RFLP and sequence analysis of GRA6 gene. © 2014 Versita Warsaw. Source


Gunasekaran S.,Tamil Nadu Veterinary and Animal Sciences University | Viswanathan K.,Tamil Nadu Veterinary and Animal Sciences University | Bandeswaran C.,Tamil Nadu Veterinary and Animal Sciences University | Balasubramanyam D.,Center for Animal Production Studies | Venkataramanan R.,Post Graduate Research Institute in Animal science
Range Management and Agroforestry | Year: 2013

A study was undertaken to find out the effect of supplementation of Stylosanthes scabra in coconut based hortipasture model for goats. S. scabra, a leguminous green fodder cultivated in the understorey of coconut trees was used to feed the goats by cut and carry method. Fourteen Boer crossbred male goats raised under intensive method of rearing were divided into two groups viz., Group I (stall feeding with ad libitum tree fodder + concentrates) and Group II (stall feeding with ad libitum tree fodder + concentrates + S. scabra one kilogram/day/ head). There was no significant difference in weight gain between the treatment groups, however the average daily weight gain (g) of goats in the supplemented group was higher (34.7 vs 50.9). Source


Sreekumar C.,Tamil Nadu Veterinary and Animal Sciences University | Sreekumar C.,Post Graduate Research Institute in Animal science | Selvaraj J.,Veterinary College and Research Institute | Gomathinayagam S.,Tamil Nadu Veterinary and Animal Sciences University | And 4 more authors.
Journal of Parasitic Diseases | Year: 2014

Blastocystis, a zoonotic protozoan found in the intestinal tracts of a wide range of animals, has not been reported from non-human hosts from India so far. Organisms indistinguishable from Blastocystis sp. were identified in the Giemsa stained intestinal scrapings collected from carcasses of piglet and poultry that were brought for necropsy to the Central University Laboratory, Chennai. The ‘central vacuole forms’ of the parasite, with number of nuclei ranging from 1 to 12 were identified. The intensity of infection was low, with less than one organism per oil immersion field, indicating that their presence was unconnected to the cause of death. Caecal scraping was found to be more ideal than duodenal scraping for the diagnosis of Blastocystis, and can be a potential specimen for definitive diagnosis. Identical organisms were also detected in the dung samples of a buffalo calf which showed clinical signs of diarrhoea The presence of Blastocystis in food animals acquires public health significance, as many subtypes of the parasite from poultry and pigs are transmissible to humans. © 2013, Indian Society for Parasitology. Source


Gopinathan A.,Post Graduate Research Institute in Animal science | Suresh Kumar K.,Post Graduate Research Institute in Animal science | Karthickeyan S.M.K.,Post Graduate Research Institute in Animal science | Ramesh J.,Post Graduate Research Institute in Animal science | Sivaselvam S.N.,Post Graduate Research Institute in Animal science
Indian Journal of Animal Research | Year: 2013

The effect of floor space allocation on growth rate and feed intake of crossbred barrows from 5th to 9th month of age was investigated. Three treatment groups with a floor space of 1.0 m2 (T1), 1.2 m2 (T2) and 1.8 m2 (T3) per pig were maintained and each group contains seven pigs and monthly body weight and feed intake were recorded. Significant difference (P< 0.05) between T1 and other two groups (T2 and T3) was observed with respect to body weight. Significant reduction in body weight (kg) at 9 months of age was observed in T1 group as compared to T2 and T3 groups. Statistically no significant difference was observed among the treatment groups (T2 and T3). But, body weight gain and average daily gain recorded were highest in T2 (1.2 m2/pig) group. Hence, it was concluded that 1.2 m2 floor space/pig proved to be an optimum for finisher pigs to produce better growth rate. Source

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