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Animal Science Database

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Abstract

The purpose of this study was to investigate the ovarian condition at weaning and subsequent reproductive performance of Berkshire sows following an outbreak of PED. This study was conducted on a farrow-to-finish farm that experienced a PED outbreak beginning on January 6, 2014. Blood samples were...

Author(s)
Sasaki, Y.; Kawabata, T.; Noguchi, M.
Publisher
Springer, Amsterdam, Netherlands
Citation
Tropical Animal Health and Production, 2017, 49, 4, pp 879-882
Abstract

We investigated the reproductive and lifetime performances of Kagoshima Berkshire gilts and sows. We examined 20605 parity records of 4419 pigs for 2008 to 2012 on a farrow-to-finish commercial farm. The mean parity (±SD) of all animals was 3.0±2.1. For farrowing performance, the highest numbers of ...

Author(s)
Sasaki, Y.; Tokunaga, T.; Uemura, R.; Sueyoshi, M.
Publisher
Wiley-Blackwell, Melbourne, Australia
Citation
Animal Science Journal, 2014, 85, 3, pp 213-218
Abstract

Claw lesions in lactating sows on 3 commercial farms were assessed in 6 areas of each of a sow's 8 claws to investigate the relationship between claw lesions and stage of lactation. In addition, the relationships between claw lesions and postural behavior, reproductive performance or culling risk...

Author(s)
Enokida, M.; Sasaki, Y.; Hoshino, Y.; Saito, H.; Koketsu, Y.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Livestock Science, 2011, 136, 2/3, pp 256-261
Abstract

This review provides the benchmarking concepts and the applications using the data acquired from commercial swine herds. Reproductive performance of female pigs, growth performance of fattening pigs and financial performance of the herd or the enterprise are recommended to be benchmarked. The 10 or ...

Author(s)
Koketsu, Y.; Sasaki, Y.; Ichikawa, H.; Kaneko, M.
Publisher
Japan Society of Veterinary Epidemiology, Ibaraki, Japan
Citation
Journal of Veterinary Epidemiology, 2010, 14, 2, pp 105-117
Abstract

To determine the best measure for predicting genetic merit for milking and nursing ability in beef cattle, Restricted Maximum Likelihood (REML) estimates of variances and covariances for direct and maternal effects were obtained by using preweaning growth records of calves at various stages up to...

Author(s)
Yokoi, N.; Moriya, K.; Sasaki, Y.
Citation
Animal Science, 1997, 65, 1, pp 39-43
Abstract

Variances and covariances for direct and maternal effects for preweaning growth were estimated by restricted maximum likelihood procedures. Records were obtained from the Tottori National Livestock Breeding Station covering the period from 1960 to 1985. Traits analysed were birth weight and daily...

Author(s)
Yokoi, N.; Matsuo, H.; Moriya, K.; Sasaki, Y.
Citation
Animal Science and Technology, 1994, 65, 11, pp 1057-1063
Abstract

Data were analysed for 1046 calves, the progeny of 221 dams and 22 sires at the Tottori National Livestock Breeding Station. Corrections were made for sire, dam, sex, age of dam, year, season and the sex-by-season interaction. The h2s obtained from paternal half-sib analyses and repeatability...

Author(s)
Sasaki, Y.
Citation
Japanese Journal of Zootechnical Science, 1980, 51, 12, pp 852-859