Zobrazeno 1 - 10
of 177
pro vyhledávání: '"T. Van Der Lende"'
Publikováno v:
Animal, Vol 8, Iss 5, Pp 754-764 (2014)
The expression of oestrous behaviour in Holstein Friesian dairy cows has progressively decreased over the past 50 years. Reduced oestrus expression is one of the factors contributing to the current suboptimal reproductive efficiency in dairy farming.
Externí odkaz:
https://doaj.org/article/2b1a304012b84e21bc5b66392505e465
Publikováno v:
Journal of Reproduction and Fertility, Supplement 40 (1990)
Journal of Reproduction and Fertility, Supplement, 40, 261-277
Journal of Reproduction and Fertility, Supplement, 40, 261-277
Autor:
M.F.W. te Pas, Roel F. Veerkamp, M Platje, Yves Chilliard, Carole Delavaud, T. van der Lende, S.C. Liefers
Publikováno v:
Animal Genetics. 36:111-118
Leptin concentrations in body fluids and tissues undergo dynamic changes during the periparturient period. Polymorphisms in the leptin gene have been shown to be associated with differences in leptin concentration during late pregnancy but not during
Publikováno v:
Journal of Animal Science. 83:144-151
The relationship between placental efficiency (PLEFF, i.e., the ratio of birth weight [BWB] to placental weight [PLW]) and neonatal pig vitality as measured by the probability of preweaning death of live born piglets was examined for 1,036 live born
Publikováno v:
Theriogenology, 64, 1573-90. Elsevier Inc.
Dijk, A J, van Rens, B T T M, van de Lende, T & Taverne, M A M 2005, ' Factors affecting duration of the expulsive stage of parturition and piglet birth intervals in sows with uncomplicated, spontaneous farrowings ', Theriogenology, vol. 64, pp. 1573-90 . https://doi.org/10.1016/j.theriogenology.2005.03.017
Theriogenology, 64(7), 1573-1590
Theriogenology 64 (2005) 7
Dijk, A J, van Rens, B T T M, van de Lende, T & Taverne, M A M 2005, ' Factors affecting duration of the expulsive stage of parturition and piglet birth intervals in sows with uncomplicated, spontaneous farrowings ', Theriogenology, vol. 64, pp. 1573-90 . https://doi.org/10.1016/j.theriogenology.2005.03.017
Theriogenology, 64(7), 1573-1590
Theriogenology 64 (2005) 7
Modern pig farming is still confronted with high perinatal piglet losses which are mainly contributed to factors associated with the progress of piglet expulsion. Therefore the aim of this study was to identify sow- and piglet factors affecting the d
Publikováno v:
Journal of Animal Science 82 (2004)
Journal of Animal Science, 82, 2329-2332
Journal of Animal Science, 82, 2329-2332
A mathematical model that describes the recruitment and growth of ovarian follicles was fitted to data on ovulation rate and the measurements of plasma estradiol collected at times during the estrous cycle for individual gilts. The method of least sq
Publikováno v:
Journal of Animal Science. 81:2419-2424
The objectives of this study were to analyze the incidence of different categories of stillborn piglets in relation to genetic merit for farrowing survival of sows and litters and to analyze relationships of total number of piglets born per litter, a
Publikováno v:
Livestock Production Science, 78, 47-55
Livestock Production Science 78 (2002)
Livestock Production Science 78 (2002)
Amongst all fully formed piglets at the end of gestation, piglet survival until weaning (PS) is on average 81%. Selection for fast lean growth and increased litter size tends to decrease piglet survivability. Estimated heritabilities for PS and its c
Publikováno v:
Journal of Animal Science. 80:1759-1770
The objective of this study was to investigate if litters with different genetic merit for piglet survival differ in late fetal development. In total, 507 fetuses from 46 litters were delivered by Caesarean section at, on average, d 111 of gestation.
Publikováno v:
Livestock Production Science 78 (2002)
Livestock Production Science, 78, 57-62
Livestock Production Science, 78, 57-62
Explanations for increasing farrowing survival and postnatal survival with increasing genetic merit for piglet survival are likely to be found in a higher degree of foetal development or maturity during late gestation. This is substantiated by increa