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Pogany Simonova M.,Slovak Academy of Sciences | Chrastinova L.,Slovak Agricultural Research Center | Mojto J.,Slovak Agricultural Research Center | Laukova A.,Slovak Academy of Sciences | And 2 more authors.
Czech Journal of Food Sciences | Year: 2010

The consumption of healthy and nutritive food (rich in proteins and low in cholesterol and lipid contents) is a preferred factor with the contemporary consumers. In addition, natural alternatives are requested to replace the additives used up to now but recently banned. To reach the above given condition, phyto-additives represent a good alternative. The aim of this study was to examine the physicochemical properties and amino acid composition of rabbit meat after the enrichment of rabbit diet with oregano, sage, and Eleutherococcus senticosus extracts, and to make a comparison with the commercial product XTRACT and control samples (without plant extracts). The addition of oregano and sage extracts as well as El. senticosus in the rabbit diet positively influenced the physicochemical properties of rabbit meat by increasing its energy value (P < 0.05 - sage). Supplementing rabbits feed with oregano and sage extracts led to an improvement on the amino acid composition (P < 0.01; P < 0.001 - serine). These findings are also supported by thegood health state of rabbits. Outgoing from these results, the diet enriched with the plant extracts is beneficial for the health state of rabbits involving the nutritional quality of rabbit meat in connection with consumers.


Okab A.B.,King Saud University | Samara E.M.,King Saud University | Abdoun K.A.,King Saud University | Rafay J.,Slovak Agricultural Research Center | And 8 more authors.
Journal of Applied Animal Research | Year: 2013

The aim of this study was to investigate the effect of dietary supplementation of seaweed on the reproductive performance of rabbits. Two trials were performed during this study. In the first trial, semen quality was evaluated in 15 buck rabbits with mean body weight of 4.80±0.41 kg and six month of age. In the second trial, prolificacy was determined in 30 artificially inseminated does with a mean body weight of 4.84±0.50 kg and five to six months of age. Rabbits in each trial were randomly allocated to one of three dietary seaweed levels; commercial pelleted diet (C), pelleted diet supplemented with 1% seaweed (T1), and pelleted diet supplemented with 2% seaweed (T2). Dietary supplementation of seaweed significantly increased plasma testosterone concentration and improved various sperm motility parameters. Analysis of acrosomal membrane integrity using electron microscopy revealed no significant influences of dietary seaweed supplementation on quality grade (I-IV) of all tested samples. These results reflected in positive prolificacy response of does artificially inseminated with semen samples pooled from bucks fed on T2, and offered diet supplemented with 2% seaweed one week prior to their insemination and throughout the gestation period. Feeding diets supplemented with 2% seaweed to doe rabbits improved their kindling rate, litter size, and their offspring ratio. Seaweed supplementation to the diets of rabbits raised under summer conditions had improved their reproductive performance by improving the semen fertility characteristics of bucks and the prolificacy characteristics of does. Hematological and biochemical parameters investigated in this study did not reveal any pathological signs in both rabbit's genders due to dietary seaweed supplementation. © 2013 Taylor & Francis.

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