Nutrition and Quality of Animal Products

A special issue of Agriculture (ISSN 2077-0472).

Deadline for manuscript submissions: closed (31 December 2018) | Viewed by 5011

Special Issue Editor

Special Issue Information

Dear Colleagues,

It is accepted that animal nutrition affects the quality of animal products. Accordingly, the range of animal feeding strategies, dietary ingredients and feed additives has increased to match consumer and societal demands in relation to food safety, nutritional quality and human health.

In this Special Issue, we invite authors to submit original research and review articles on exploring animal nutritional strategies that have a potential benefit on product quality (e.g., milk and/or cheese, meat, eggs, honey), including, not only the main livestock species (swine, cattle, sheep, poultry) managed worldwide, but also some minor ones (e.g. buffaloes, bees, cervids).

Articles may include, but are not limited to, the impact of the following topics:

  • Nutrient requirements to assure product quality
  • Innovative feeding strategies and product quality
  • Dietary feed ingredients and product quality
  • Roughage sources and product quality
  • Feed additives and product quality
  • Egg quality as affected by animal diet
  • Milk and/or cheese quality as affected by animal diet
  • Meat and meat products (e.g., ham, sausages) quality as affected by animal diet
Prof. Javier Álvarez-Rodríguez
Guest Editor

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Keywords

  • Animal nutrition
  • Feeding strategies
  • Egg quality
  • Meat quality
  • Milk quality

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Published Papers (1 paper)

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Research

11 pages, 244 KiB  
Article
Impact of Dietary Supra-Nutritional Levels of Vitamins A and E on Fertility Traits of Broiler Breeder Hens in Late Production Phase
by Mehrdad Yaripour, Alireza Seidavi, Mohammad Dadashbeiki, Vito Laudadio, Vincenzo Tufarelli, Marco Ragni and Rita Payan-Carreira
Agriculture 2018, 8(10), 149; https://doi.org/10.3390/agriculture8100149 - 27 Sep 2018
Cited by 11 | Viewed by 4110
Abstract
This study aimed to evaluate the effect of dietary supplementation with supra-nutritional levels of vitamins A and E on fertility and productivity traits of Ross-308 broiler breeder hens during the late production phase. The trial was conducted for nine weeks, from 61 to [...] Read more.
This study aimed to evaluate the effect of dietary supplementation with supra-nutritional levels of vitamins A and E on fertility and productivity traits of Ross-308 broiler breeder hens during the late production phase. The trial was conducted for nine weeks, from 61 to 69 weeks of age, and designed to test four levels of vitamin A (100, 125, 150 and 200% above the Ross catalogue recommendations) and four levels of vitamin E (100, 200, 300 and 400% above Ross catalogue instructions), maintaining constant the other rearing conditions. Vitamins were combined in 16 treatments, with four replicates per treatment each including seven females, and one rooster broiler was used in every two replicates. A total of 448 hens and 32 roosters were used in the experiment. Fertility parameters were weekly evaluated. According to the results, egg-related parameters (number and weight of eggs, non-conform eggs and hatchability) were not affected by treatment, but dietary treatments increased and extended the hens’ productivity for an additional six weeks in most experimental groups. The chick-related parameters (number and weight of produced chicks) and chick yield differed significantly among groups (p < 0.05). The best economic index was found in birds fed basal-diet plus 100% of vitamin A and 200% of vitamin E. In conclusion, the present study showed that a combination of dietary supra-nutritional levels of vitamins A and E allowed to extend the laying period and to reduce the decline of fertility in older breeder hens at the end of the laying stage; in particular, among the 16 tested treatments, feeding of supra-nutritional level of 100% vitamin A and 200% vitamin E lead to the best results. Full article
(This article belongs to the Special Issue Nutrition and Quality of Animal Products)
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