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TNV_LRI_2016_4(1)59-62.pdf.jpg
Article

The present investigation was carried out to evaluate lifetime production performance in terms of productive life (PL), herd life (HL), total life (TL), life time milk yield (LTMY), milk yield per day of productive life (MY/PL), milk yield per day of herd life (MY/HL) and milk yield per day of total life (MY/TL) of Jersey crossbred cattle maintained at PGRIAS,...

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TNV_AAJAS_2007_20(5)633-637.pdf.jpg
Article

Genetic variation in Nilagiri sheep, the only apparel wool breed in South India was studied using 25 FAO recommended ovine-specific microsatellite markers. The number of observed alleles ranged from 3 to 8 with a mean of 5 across all loci. The size of alleles ranged from 72 to 228 bp. The frequency of alleles ranged from 0.0104 to 0.5781. In total, 125 alleles we...

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TNV_IJSET_2019_8(3)591-594.pdf.jpg
Article

LEP gene is one of the potential genes that is involved intricately in the metabolism and growth of animals. The characterization of LEP gene as compared with the exotic breeds would help us understand the genetic diversity of indigenous breeds. There were five variations between the indigenous (Nilagiri), exotic (Merino) and one crossbred (Dorset x Nilagiri) s...

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TNV_TH_MVM 15005_2017.pdf.jpg
Thesis

A study was conducted to evaluate the individual and sow performance traits of Large White Yorkshire (LWY) X Desi crossbred pigs at Post-Graduate Research Institute in Animal Sciences, Kattupakkam, Tamil Nadu. Data available on pedigree (from 1989 to 2016), sex, production, reproduction and disposal (from 2001 to 2016) at the All India Co-ordinated Research Project...

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TNV_TH_MVM 14008_2016.pdf.jpg
Thesis

Draught Animal Power (DAP) is one of the sustainable and renewable resources of energy. At present, even after mechanization of agriculture, 55 per cent of the total cultivable area is ploughed by draught animals. Yet, draughtability traits are the most neglected traits. Hence, this study was undertaken to assess the draughtability potential of Umblachery breed of ...

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TNV_TH_MVM 15008_2017.pdf.jpg
Thesis

A study was conducted with the objectives of surveying the indigenous pigs in northern districts of Tamil Nadu and identification of distinct populations and Phenotypic and morphological characterization of distinct populations. A total of 10442 animals were surveyed in northern districts (Thiruvallur, Kancheepuram, Vellore, Tiruvannamalai and Villupuram). The tota...

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TNV_IJFV_2011_6(3)63-65.pdf.jpg
Article

The sex ratio and reproductive performance of Madras Red sheep under field condition was recorded during the period 1997 - 2009. The lambing percentage ranged from 80.32 to 90.56 with an overall of 86.01 ± 0.91%. The total number of lambing recorded during the period of study was 27,967. Out of these 99.936% were born single, 0.060% births were twins and only on...

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TNV_IJAR_2013_47(5)426-430.pdf.jpg
Article
2013-05
Agricultural Research Communication Centre

Ostriches are being reared in India from 2000 onwards. The data on reproductive performance recorded over a period of seven years (2002 – 2008) were analysed. Ostriches revealed sexual dimorphism at an age of around 270 days and the mean age of sexual maturity observed was 787.8 ± 29.9 days. The average annual egg production over seven years of study was 18.6 ± ...

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