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Small Ruminant Research
Article . 1990 . Peer-reviewed
License: Elsevier TDM
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Utilization of goat milk vs. milk replacer for granadina goat kids

Authors: Sanz-Sampelayo, María Remedios; Hernandez-Clua, O. D.; Naranjo, J. A.; Gil Extremera, Francisca; Boza, Julio;

Utilization of goat milk vs. milk replacer for granadina goat kids

Abstract

[ES] En el cabrito de raza Granadina se estudió el valor nutritivo de la leche de cabra y de un lactor-reemplazante. Por medio de un primer experimento, se determinó la digestibilidad de los diferentes nutrientes y metabolicidad de la energía, analizándose el crecimiento y desarrollo animal según los valores de pesos vivos, pesos vivos vacíos, desarrollos a la canal y porcentajes de grasa perirenal más pélvica. El diseño experimental correspondió a un factorial 2 × 3 × 2 en el que se consideraron dos clases de leche (leche de cabra y un lactorreemplazante), tres niveles de ingesta (1,24, 1,86 y 2,48 veces las necesidades energéticas de mantenimiento) y dos edades (15 y 30 días). En un segundo experimento se analizó el modelo de vaciamiento abomasal y composición del flujo abomasal en dos lotes de cabritos alimentados ad libitum, con la leche de cabra o el lactarreemplazante. La digestibilidad de los nutrientes y metabolicidad de la energía, fueron mayores para los cabritos alimentados con leche de cabra y a la segunda edad considerada. El crecimiento resultó similar para los animales alimentados bien con leche de cabra o lactorreemplazante. El estado de engrasamiento fue más alto para los cabritos que consumieron leche de cabra e igualmente, al final del segundo ensayo. En los animales alimentados con leche de cabra, la proteína y grasa abandonaban el abomaso de una manera más regular, siendo la tasa de vaciamiento más baja. Los resultados obtenidos indican que el modelo de vaciamiento abomasal en el cabrito, es similar al de otros animales pre-rumiantes. Los animales experimentales mostraron un buen uso del lactorreemplazante, siendo las mayores diferencias respecto a la utilización de la leche de cabra, aquellas detectadas en la digestibilidad de los minerales y estado de engrasamiento.

[EN] Nutritional responses of Granadina goats fed goat milk or milk replacer were studied. Digestibility of nutrients, metabolizable energy, animal growth and performance were analyzed. In a factorial design, two sources of milk (goat milk and milk replacer), were fed at three levels (1.24, 1.86 and 2.48 times the energy required for maintenance) and two animal ages (15 and 30 days). The patterns of abomasal emptying and abomasal flow composition were determined also in goat kids fed goat milk or milk replacer ad libitum. Nutrient digestibilities and metabolizable energy were greater in goats on goat milk than on milk replacer, and in goats 30 days of age than 15 days of age. Animal growth was similar in goats fed goat milk or milk replacer. Performance indicated greater fattening in goats fed goat milk than milk replacer, and in goats 30 days of age than 15 days of age. Protein and fat left the milk-fed abomasum more regularly at a slower rate of emptying than when kids were fed milk replacer. The pattern of abomasal emptying in goat kids was similar to other pre-ruminant animals. In conclusion, experimental animals made suitable use of milk replacer. Greatest differences were observed against goat milk feeding for ash digestibility and fat deposition.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
views
OpenAIRE UsageCountsViews provided by UsageCounts
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23
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