The objective of this study was to compare four Spanish maternal lines of rabbits (A, V. H and LP) on different criteria but selected for litter size at weaning, since their foundation until present for 39, 35, 16 and 4 ...
Fernández, E; Martinez R; Birchmeier, A; Valverde, C.; Ragab Ghanem, Mohamed Mohamed; Baselga Izquierdo, Manuel(Universidad Nacional de Lomas de Zamora. Facultad de Ciencias Agrarias, 2015)
[EN] The main goal in the maternal lines of rabbits is to increase litter size. To reach this objective the most used criteria are litter size at birth and at weaning. These characters are of low heritability and therefore ...
Sánchez Serrano, Juan Pablo(Universitat Politècnica de València, 2008-05-06)
En primer lugar se revisan las distintas definiciones que para la longevidad se han propuesto y se describen brevemente los métodos de análisis empleados para estimar parámetros genéticos y predecir valores de cría dentro ...
[EN] This paper aims at reviewing the current genetic knowledge of the issues related to the efficient use of bucks in artificial insemination (AI). Differences between lines have been found relevant in semen production ...
Velasco Galilea, María(Universitat Politècnica de València, 2016-11-22)
[EN] Feed restriction during the fattening period is a widespread method of management
that is favorable for animal health because it reduces the risk of digestive problems
such as mucoid ...
Mínguez Balaguer, Carlos(Universitat Politècnica de València, 2012-05-31)
El objetivo de este trabajo fue comparar los caracteres de crecimiento (peso al destete, peso al sacrificio y ganancia media diaria) en cuatro líneas maternales de conejo (A, V, H y LP), fundadas bajo diferentes criterios, ...
El Nagar, Ayman Gamal Fawzy(Universitat Politècnica de València, 2012-05-28)
The main objective of this study was to compare four maternal lines of rabbits (A, V, H and LP) in terms of longevity traits at their foundation time and at fixed times. Taking into account the concept that these lines ...
Ferrian, Selena; Blas Ferrer, Enrique; Larsen, T.; Sánchez Serrano, Juan Pablo; Friggens, Nicholas Charles; Corpa, J. M.; Baselga Izquierdo, Manuel; Pascual Amorós, Juan José(Elsevier, 2013-06)
To evaluate differences in maternal lines to the immune response of reproductive rabbit does, a total of 64 animals of two different lines: (1) founded for hyper-longevity and litter size criteria (LP) and (2) selected for ...
Mohamed Ragab, Mohamed; Sánchez Serrano, Juan Pablo; Mínguez Balaguer, Carlos; Baselga Izquierdo, Manuel(Cambridge University Press (CUP), 2016-07)
Litter size is essential for an efficient production of rabbit meat . A diallel cross between four maternal lines was carrie d ou t and the analysis of the components of litter size has been already done. This paper ...
[EN] Effects of Gonadorelin and PMSG on a cycle
synchronization of 42 days were evaluated. Three hundred
and seventy five does were used in two experiments.
In the first, does were split in two groups, a group of 120
does ...
Savietto, Davi; Cervera Fras, Mª Concepción; Ródenas Martínez, Luis; Martínez Paredes, Eugenio Melchor; Baselga Izquierdo, Manuel; García Diego, Fernando Juan; Larsen, T.; Friggens, Nicholas Charles; Pascual Amorós, Juan José(Cambridge University Press (CUP): STM Journals, 2014-04)
This study examined the effect of long-term selection of a maternal rabbit line, solely for a reproductive criterion, on the ability of
female rabbits to deal with constrained environmental conditions. Female rabbits from ...
Savietto, Davi; Blas Ferrer, Enrique; Cervera Fras, Mª Concepción; Baselga Izquierdo, Manuel; Friggens, Nicolas C.; Larsen, Torben; Pascual Amorós, Juan José(Editorial Universitat Politècnica de València, 2012)
[EN] Ninety lactating rabbit does of three different genetic types [2 from a line differentiating 20 generations by selection for litter size at weaning (lines V16 and V36) and 1 from a line founded under reproductive ...
Vitrification is one of the most widely used techniques for embryo cryopreservation. The aim of this work was to study the effect of storage time in liquid nitrogen on vitrified rabbit embryos. A total of 1467 vitrified ...
The purpose of this study is to use demographic and litter size data on four Spanish maternal lines of rabbits (A, V, H and LP), as a case study, in order to: (i) estimate the effective population size of the lines, as a ...
Lavara García, Raquel; Baselga Izquierdo, Manuel; Marco Jiménez, Francisco; Vicente Antón, José Salvador(Elsevier, 2015-09-15)
[EN] The objective of this research is to examine if there are any effects of the rederivation procedures on rabbit growth pattern and on weight of different organ in adults. For this purpose, three experiments were conducted ...
Savietto, Davi; Cervera Fras, Mª Concepción; Blas Ferrer, Enrique; Baselga Izquierdo, Manuel; Larsen, Torben; Friggens, Nicholas Charles; Pascual Amorós, Juan José(Cambridge University Press (CUP), 2013-12)
To better understand the mechanisms that allow some animals to sustain their productive effort in harsh environmental conditions, rabbit does from two selection lines (LP and V) were housed in normal (NC), nutritional (NF) ...
Fernández, Eduardo Néstor(Universitat Politècnica de València, 2016-04-14)
[EN] The main objective of this dissertation was to use different models to analyze reproductive traits (litter size) in four different lines of meat rabbits (A, V, H and LP). Traits studied were litter size (number) at ...
Lavara García, Raquel(Universitat Politècnica de València, 2011-11-14)
Se estimaron los componentes de varianza-covarianza de las variables producción, calidad, motilidad y morfometría espermática en una línea paternal de conejos. Las heredabilidades de la morfometría y morfología espermática ...
Herrera Cáceres, William Andrés(Universitat Politècnica de València, 2016-07-21)
[ES] En este proyecto se propone inicialmente caracterizar la curva de consumo durante
lactación ¿ alimentación a voluntad ¿ de cerdas Duroc. El inicio y fin de la lactación se
medirá el espesor de tocino dorsal y por ...
Lavara García, Raquel; Moce Cervera, Eva Teresa; Baselga Izquierdo, Manuel; Vicente Antón, José Salvador(Elsevier, 2017-10-15)
[EN] The aim of this study was to estimate the heritability of semen freezability and to estimate the genetic correlation between frozen-thawed sperm traits and the growth rate in a paternal rabbit line. Estimated ...