Nutritional requirements of abalone Haliotis (Gastropoda) - II. Nutritional evaluation of several protein sources in diets for abalone Haliotis discus hannai.

Abstract

An experiment was conducted to evaluate nutritional quality of several protein sources in diet for juvenile abalone Haliotis discus hannai INO by feeding them diets containing each of protein sources at a 30% level for 40 days. Growth rate expressed as a relative value to that obtained in the group receiving a diet containing casein as a protein source and PER of each protein source were measured as follows, casein: 100, 4.2; soybean meal: 63, 2.6; leaf protein concentrate prepared from rye grass: 53, 1.9; egg albumin: 47, 1.6; whole egg: 44, 1.6; white fishmeal: 35, 1.7 and corn gluten meal: 23, 1.2, respectively.These values were the highest in the abalone fed with the casein diet, suggesting a high nutritional quality of casein as a protein source in diet for abalone. While the dietary value of egg albumin, whole egg and white fishmeal were far inferior to casein, being quite different from the case of fish. The difference in protein quality is postulated to be mainly due to difference of digestibility of each protein source in the juvenile abalone. Improvement of digestibility of white fishmeal will be required for development of practical abalone feeds.

Inclusion of Distillers Dried Grain as Partial Replacement of Wheat Flour and Soybean Meal in the Diet of Juvenile Abalone Haliotis discus hannai

“…The experimental feed used in this study appears to contain sufficient protein, carbohydrate, and essential amino acid contents to meet abalone nutritional requirements. Uki et al (1985) identified diets containing many protein sources such as soybean meal that promoted good growth in abalone. Mai et al (1995) reported that high levels of dietary carbohydrates can be utilized easily by abalone to satisfy their energy requirements, and Lee et al (1998) suggested that abalone can utilize carbohydrates more efficiently than lipids as an energy source.…”

Effect of casein substitution with fishmeal, soybean meal and crustacean meal in the diet of the abalone Haliotis discus hannai Ino

“…Casein is considered as the best protein source for growth of abalone when compared with diets containing other single protein sources or mixtures of other protein sources, such as fishmeal, soybean meal and/or other macroalgae (Uki et al. 1985a,b,1986a).…”

The effect of animal size on the ability of Haliotis midae L. to utilize selected dietary protein sources

“…Initial studies to evaluate the effects of protein source on abalone ( Haliotis midae L.) growth identified fishmeal and casein as good candidates for inclusion in artificial feeds (Uki, Kemuyama & Watanabe 1985a; Uki & Watanabe 1986; Viana, López & Salas 1993a). Although subsequent studies have investigated a number of other sources (Viana, López, García‐Esquivel & Mendez 1996; Fleming, Van Barneveld, Hone, Vandepeer & Kruck 1998; Vandepeer, Van Barneveld, Hone & Havenhand 1999), the most commonly used proteins in current experimental and commercial formulations are fishmeals, casein and defatted soya (Fleming, Van Barneveld & Hone 1996).…”