Nutritional Strategies on Poultry Product Quality

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Farm Animal Production".

Deadline for manuscript submissions: closed (15 November 2023) | Viewed by 4306

Special Issue Editor


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Guest Editor
College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
Interests: poultry nutrition; feed; meat quality; muscle development; muscle satellite cells; muscle biology

Special Issue Information

Dear Colleagues,

Over the past several decades, the level of production of poultry meat and eggs has been growing rapidly worldwide. Meanwhile, the incidences of meat and eggs with poor or undesirable qualities are increasing, such as pale, soft, exudative (PSE)-like meat, wooden breast, fishy-flavored eggs, cracked eggs etc., which has resulted in huge economic losses to the world poultry industry every year. More importantly, trends in food consumption show increased demand of high-quality meat and eggs year by year. In this scenario, there has been a growing interest in exploitation of the effective ways to improve the qualities of poultry meat and eggs. The age, breed-type, nutrition, and environmental stress are important factors influencing the product quality of domestic animals. Currently, it has been widely recognized that the application of scientific nutritional strategies will help to alleviate stress response and improve the nutritional, functional, or sensory qualities of poultry meat and eggs.

The aim of this Special Issue is to publish original research papers or reviews dealing with the effects of dietary nutrients and functional additives on the production performance, metabolism, carcass characteristics, meat quality and egg quality of birds reared under normal condition or exposed to challenging conditions (e.g., environmental heat stress).

Dr. Lin Zhang
Guest Editor

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Keywords

  • poultry
  • feed
  • nutrition
  • metabolism
  • feed additives
  • production performance
  • meat quality
  • egg quality
  • nutritional value

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Published Papers (2 papers)

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Research

14 pages, 4667 KiB  
Article
Dietary Resistant Starch Regulates Bile Acid Metabolism by Modulating the FXR/LRH-1 Signaling Pathway in Broilers
by Zhenxin Wang, Chunyan Zhan, Yingying Zhang, Lin Zhang, Jiaolong Li, Tong Xing, Liang Zhao, Jianfei Wang and Feng Gao
Agriculture 2023, 13(11), 2159; https://doi.org/10.3390/agriculture13112159 - 16 Nov 2023
Cited by 2 | Viewed by 1610
Abstract
This study aimed to investigate the effects of dietary corn-resistant starch on the bile acid metabolism of broilers. In total, 80, 1-day-old male broilers were randomly distributed into two groups fed either the basic normal corn–soybean diet or a diet supplemented with 40 [...] Read more.
This study aimed to investigate the effects of dietary corn-resistant starch on the bile acid metabolism of broilers. In total, 80, 1-day-old male broilers were randomly distributed into two groups fed either the basic normal corn–soybean diet or a diet supplemented with 40 g/kg of corn-resistant starch. The results showed that dietary supplementation of 4% corn-resistant starch increased the F/G during the periods from 21 to 42 d. Resistant starch supplementation reduced the lipid levels in plasma, and the contents of total bile acids were increased with the altered bile acid profile in the ileum. A diet with corn resistant starch decreased the enzyme contents of the classical pathway of bile acid synthesis and activated the signaling pathway of FXR/LRH-1 in the liver. A decreased abundance of Clostridium cluster XIVa was found in the ileal digesta of the resistant starch group, and its abundance was negatively correlated with the level of lithocholic acid. In summary, the RS was effective at reducing broiler plasma and liver lipid levels, which was probably due to the change in bile acid synthesis and reabsorption capacities. These findings provided a unique landscape of the relationship between bile acid metabolism and resistant starch in broilers. Full article
(This article belongs to the Special Issue Nutritional Strategies on Poultry Product Quality)
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13 pages, 492 KiB  
Article
Requirement of Non-Phytate Phosphorus in 1- to 28-Day-Old Geese Based on Growth Performance, Serum Variables, and Bone Characteristics
by Ning Li, Yuanjing Chen, Lei Xu, Guoqiang Su, Zhiyue Wang and Haiming Yang
Agriculture 2022, 12(4), 479; https://doi.org/10.3390/agriculture12040479 - 29 Mar 2022
Cited by 5 | Viewed by 1985
Abstract
The standard of dietary non-phytate phosphorus (NPP) requirement is important for geese production. However, limited reports remain an obstacle to the NPP requirement of geese. We aimed to evaluate the NPP requirement in geese based on the effects of NPP levels on growth [...] Read more.
The standard of dietary non-phytate phosphorus (NPP) requirement is important for geese production. However, limited reports remain an obstacle to the NPP requirement of geese. We aimed to evaluate the NPP requirement in geese based on the effects of NPP levels on growth performance, serum variables, and bone characteristics in 1–28-day-old geese. One-day-old male Jiangnan White Geese (n = 360) were randomly divided into five groups. Five corn-soybean diets were used in these groups, with NPP levels at 0.18%, 0.28%, 0.39%, 0.47%, 0.59% in the feed, respectively. The average body weight, serum phosphorus (P) content, tibia strength, tibia P content, and femoral skim weight were significantly reduced, by 0.18%, compared with 0.28–0.59%. These variables had significant linear fit (p < 0.001) between the levels of 0.18% and 0.58%. The estimated requirement of NPP for goslings is between 0.28% and 0.35%, based on the broken-line model, using the above indicators. In conclusion, the dietary NPP requirement for 1–28-day-old geese should be no less than 0.35% to ensure normal growth performance and bone development, based on body weight gain, serum P content, and skeletal variables. Full article
(This article belongs to the Special Issue Nutritional Strategies on Poultry Product Quality)
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