Utilización de grasas y sus subproductos en alimentación avícola

Studies on the use of palm fats and mixtures of fats and oils in poultry nutrition. The main f actors that affect the digestibility and metabolizable energy content of fats for poultry are their contents of saturated fatty acids and the unsaturated to saturated ratio (U FA: SFA), the carbon chain l...

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Detalles Bibliográficos
Autores principales:	Zumbado-Alpízar, Mario, Gutiérrez, Carlos R., Pérez, Eliécer
Formato:	Online
Idioma:	spa
Publicado:	Universidad de Costa Rica 2013
Acceso en línea:	https://revistas.ucr.ac.cr/index.php/nutrianimal/article/view/9978

id	NUTRIANIMAL9978
record_format	ojs
spelling	NUTRIANIMAL99782022-12-08T17:14:47Z Utilización de grasas y sus subproductos en alimentación avícola Zumbado-Alpízar, Mario Gutiérrez, Carlos R. Pérez, Eliécer Studies on the use of palm fats and mixtures of fats and oils in poultry nutrition. The main f actors that affect the digestibility and metabolizable energy content of fats for poultry are their contents of saturated fatty acids and the unsaturated to saturated ratio (U FA: SFA), the carbon chain length of the SFA, the level of free fatty acids (FFA), and the age of the birds. Also, it is important to consider quality aspects of the fat being fed, such as the level of moisture, impurities and insaponifiable matter and toxic products developed in fats excesively heated, such as polymers resent in restaurant greases of poor quality. The results of the present studies show that up to 45% FFA in a crude palm oil - palm destilled fatty acids blend are permisable without detrimental effect on broiler performance when that blend was included at a 6% rate in starler diets. Besides, better results are obtained when a fat of high FFA content and /or low IJFA: SFA is fed after the first week of age and not in day-old broilers. The use of fats of high FFA content is feasible but a previous determination of its ME content is necessary before formulation of the feed. Due to the difficulties involved in the determination of ME by conventional methods, an alternative procedure is to calculate such values through the use of prediction equations. These equations use FFA and UFA:SFA levels in the fat and are developed for young and older broilers. Universidad de Costa Rica 2013-06-04 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Article Artículo application/pdf https://revistas.ucr.ac.cr/index.php/nutrianimal/article/view/9978 Nutrición Animal Tropical Journal; Vol. 1 No. 1 (1994): Nutrición Animal Tropical: January-june; 43-58 Nutrición Animal Tropical; Vol. 1 Núm. 1 (1994): Nutrición Animal Tropical: enero-junio; 43-58 2215-3527 spa https://revistas.ucr.ac.cr/index.php/nutrianimal/article/view/9978/9385 Derechos de autor 2014 Nutrición Animal Tropical
institution	Universidad de Costa Rica
collection	Nutrición Animal Tropical
language	spa
format	Online
author	Zumbado-Alpízar, Mario Gutiérrez, Carlos R. Pérez, Eliécer
spellingShingle	Zumbado-Alpízar, Mario Gutiérrez, Carlos R. Pérez, Eliécer Utilización de grasas y sus subproductos en alimentación avícola
author_facet	Zumbado-Alpízar, Mario Gutiérrez, Carlos R. Pérez, Eliécer
author_sort	Zumbado-Alpízar, Mario
description	Studies on the use of palm fats and mixtures of fats and oils in poultry nutrition. The main f actors that affect the digestibility and metabolizable energy content of fats for poultry are their contents of saturated fatty acids and the unsaturated to saturated ratio (U FA: SFA), the carbon chain length of the SFA, the level of free fatty acids (FFA), and the age of the birds. Also, it is important to consider quality aspects of the fat being fed, such as the level of moisture, impurities and insaponifiable matter and toxic products developed in fats excesively heated, such as polymers resent in restaurant greases of poor quality. The results of the present studies show that up to 45% FFA in a crude palm oil - palm destilled fatty acids blend are permisable without detrimental effect on broiler performance when that blend was included at a 6% rate in starler diets. Besides, better results are obtained when a fat of high FFA content and /or low IJFA: SFA is fed after the first week of age and not in day-old broilers. The use of fats of high FFA content is feasible but a previous determination of its ME content is necessary before formulation of the feed. Due to the difficulties involved in the determination of ME by conventional methods, an alternative procedure is to calculate such values through the use of prediction equations. These equations use FFA and UFA:SFA levels in the fat and are developed for young and older broilers.
title	Utilización de grasas y sus subproductos en alimentación avícola
title_short	Utilización de grasas y sus subproductos en alimentación avícola
title_full	Utilización de grasas y sus subproductos en alimentación avícola
title_fullStr	Utilización de grasas y sus subproductos en alimentación avícola
title_full_unstemmed	Utilización de grasas y sus subproductos en alimentación avícola
title_sort	utilización de grasas y sus subproductos en alimentación avícola
publisher	Universidad de Costa Rica
publishDate	2013
url	https://revistas.ucr.ac.cr/index.php/nutrianimal/article/view/9978
work_keys_str_mv	AT zumbadoalpizarmario utilizaciondegrasasysussubproductosenalimentacionavicola AT gutierrezcarlosr utilizaciondegrasasysussubproductosenalimentacionavicola AT perezeliecer utilizaciondegrasasysussubproductosenalimentacionavicola
_version_	1810113340256550912

Utilización de grasas y sus subproductos en alimentación avícola

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