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Listar por palabra clave "Lactation"

Mostrando ítems 1-12 de 12

Análisis genético de la eficiencia alimentaria de la cerda en lactación y sus componentes

Martí Alcázar, Julia (Universitat Politècnica de València, 2018-11-07)

Como consecuencia de la selección genética y las mejoras en el ambiente y manejo de las granjas, el tamaño de la camada ha aumentado en los últimos años de manera que los requerimientos energéticos de la cerda en lactación ...
Challenges in rabbit doe feeding, including the young doe

Martínez-Paredes, Eugenio; Nicodemus, Nuria; Pascual, Juan José; García, Javier (Universitat Politècnica de València, 2022-03-31)

[EN] In this review is summarized the last knowledge on rabbit doe nutrition, to complement the current nutritional requirements and strategies for the young and adult rabbit does, considering the production, health, and ...
Development of a dynamic energy-partitioning model for enteric methane emissions and milk production in goats using energy balance data from indirect calorimetry studies

Fernández Martínez, Carlos Javier; Hernando, I.; Moreno-Latorre, E.; Loor, J.J. (Cambridge University Press, 2020-08)

[EN] The main objective of this study was to develop a dynamic energy balance model for dairy goats to describe and quantify energy partitioning between energy used for work (milk) and that lost to the environment. Increasing ...
Development of a dynamic model for prediction of energy in milk protein, lactose, fat, and enteric methane emissions in goats based on energy balance and indirect calorimetry studies

Fernández Martínez, Carlos Javier; Loor, Juan J. (American Society of Animal Science, 2023-01-03)

[EN] Feed costs are overwhelmingly the largest expense for dairy producers. Thus, improving milk production efficiency (milk fat and protein are the main incomes for farmers) is of great economic importance in the dairy ...
Efecto de la alimentación con pienso húmedo durante la lactación sobre los rendimientos productivos en cerdas

Alcácer Montañana, Francisco Javier (Universitat Politècnica de València, 2015-02-24)

[EN] This work aims to compare different production parameters in two groups of sows during lactation fed wet or dry feed. 400 breeding females fed with the same commercial feed and housed in two types of maternity w
Effect of gestational and lactational exposure to heat stress on performance in rabbits

Marco Jiménez, Francisco; García Diego, Fernando Juan; Vicente Antón, José Salvador (Universitat Politècnica de València, 2017-03-30)

[EN] Reproductive performance is greatly affected by environmental factors such as temperature. Heat stress (HS) during pregnancy and lactation can influence not only foetal growth but also postnatal development of kits. ...
Evolution of the peripheral blood lymphocyte populations in multiparous rabbit does with two reproductive management rhythms

Guerrero, Irene; Ferrian, Selena; Blas Ferrer, Enrique; Pascual Amorós, Juan José; Cano, Jose L.; Corpa, Juan M. (Elsevier, 2011-03-15)

The emergence of epizootic rabbit enteropathy is leading to changes in weaning protocols in commercial rabbitries. Traditional weaning protocols are being replaced with late weaning, beyond 35 days postpartum (dpp). The ...
Impact of concurrent pregnancy and lactation on maternal nestbuilding, estradiol and progesterone concentrations in rabbits

González-Mariscal, G.; Gallegos, J.A.; Sierra-Ramírez, A.; Garza Flores, J. (World Rabbit Science. ICTA. UPV, 2009)

[EN] We evaluated the impact of concurrent pregnancy and lactation on: nest-building (i.e., digging, straw-carrying, hair-pulling), food intake, milk output, body weight, and the concentration of estradiol and progesterone ...
Milk intake in kits: not only the total amount matters

Bonachera, Alberto Arnau; Cervera, C.; Martínez-Paredes, E.; Ródenas, L.; Pascual, J. J.; Blas, E. (Universitat Politècnica de València, 2017-06-28)

[EN] The aim of this work was to identify milk intake variation patterns in kits throughout lactation, to evaluate their permanent maternal component and their relationships with the performance of kits before and after ...
Neuroendocrinology applied to rabbit breeding

González-Mariscal, Gabriela (Universitat Politècnica de València, 2021-12-29)

[EN] Successful rabbit production relies heavily on the use of adequate practices that enhance specific aspects of reproduction, such as mating, ovulation and lactation. Regardless of the type of production unit or strain ...
Quantification of milk yield and composition changes as affected by subclinical mastitis during the current lactation in sheep

Martí de Olives, Ana María; Díaz, J.R.; Molina Pons, Mª Pilar; Peris Ribera, Cristófol Josep (American Dairy Science Association, 2013-11)

[EN] The aim of this work was to quantify, on a half-udder basis, the changes in ewe milk yield and composition caused by unilateral subclinical mastitis within the current lactation. Fluctuations due to production level, ...
The behaviour of farm rabbit does around parturition and during lactation

Fernández-Carmona, J.; Solar, A.; Pascual Amorós, Juan José; Blas, E.; Cervera, C. (World Rabbit Science. ICTA. UPV, 2005)

[EN] The effects of parturition and lactation were assessed on eleven multiparous rabbit does caged under farm conditions. Frequency and time for different activities (drinking, eating, caecotrophy, nesting, grooming, ...