Effect of stocking density on growth performance, feather quality, serum hormone, and intestinal development of geese from 1 to 14 days of age

Liu, Z.L.; Xue, Jiajia; Huang, Xi; Chen, Y.; Wang, Q.G.; Zhang, S.; Wang, C.

doi:10.1016/j.psj.2021.101417

Cited by 7 publications

(5 citation statements)

References 38 publications

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“…The blood RBC, HGB, and HCT levels of chickens fed with Sihuang in the SH group increased, which improved the body's nutrient and oxygen transport capacity, and had a positive effect on the body's recovery. Under today's intensive and industrialized poultry production model, environmental stress will be an important cause of poultry intestinal and liver tissue damage [25][26][27]. The results of this study showed that feeding Sihuang significantly reduced the activities of ALT and AST enzymes in chicken serum, and could stabilize the ALT enzyme activities at the same level as in the CON group.…”

Section: Discussionmentioning

confidence: 65%

Effects of Sihuang Zhili Granules on the Diarrhea Symptoms, Immunity, and Antioxidant Capacity of Poultry Challenged with Lipopolysaccharide (LPS)

Wang

Zhang

et al. 2023

Antioxidants

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A growing interest has been focused on Chinese herbs as alternatives to antimicrobial growth promoters, which are characterized by non-toxic side effects and drug resistance. The purpose of this study was to evaluate the effects of the Sihuang Zhili granule (abbreviated as Sihuang) on diarrhea, immunity, and antioxidation in poultry. Thirty male Leghorn chickens, aged 21 days, were randomly assigned to one of three groups with ten animals each. The control group (CON) received intraperitoneal saline injections, while the LPS-challenged group (LPS) and Sihuang intervention group (SH) received intraperitoneal injections of LPS (0.5 mg/kg of BW) and Sihuang (5 g/kg) at d 31, d 33, d 35, respectively. The control and LPS groups were fed a basal diet, while the SH group was fed a diet supplemented with Sihuang from d 21 to d 35. Analysis of the diarrhea index showed that the addition of Sihuang inhibited the increase in the diarrhea grade and the fecal water content caused by LPS, effectively alleviating poultry diarrhea symptoms. The results of the immune and antioxidant indexes showed that Sihuang significantly reduced the contents of the pro-inflammatory factors TNF- α and IL-1 β, as well as the oxidative stress markers ROS and MDA. Conversely, it increased the contents of the anti-inflammatory factors IL-4 and IL-10, along with the activities of antioxidant enzymes GSH-Px and CAT, thereby enhancing the immune and antioxidant abilities of chickens. Furthermore, Sihuang protected the chicken’s ileum, liver, and immune organs from LPS invasion and maintained their normal development. In conclusion, this study confirmed the antidiarrheal effect of Sihuang in poultry farming and demonstrated its ability to improve poultry immunity and antioxidant capacity by modulating antioxidant enzyme activity and inflammatory cytokine levels.

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Section: Discussionmentioning

confidence: 65%

Effects of Sihuang Zhili Granules on the Diarrhea Symptoms, Immunity, and Antioxidant Capacity of Poultry Challenged with Lipopolysaccharide (LPS)

Wang

Zhang

et al. 2023

Antioxidants

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“…The age of the birds had no effect on the quantity of down. The high stocking density could reduce the growth and impaired feather quality and intestinal development of geese ( Liu et al, 2021 ). Hamadani et al (2014) indicated an increasing trend of BW with the increase in age.…”

Section: Discussionmentioning

confidence: 99%

Effect of the age and sex on growth performance and feather quality of 13 to 25-weeks-old White Roman geese

et al. 2023

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“…Goo et al [34] also reported that broilers reared under heat stress and high stocking density decreased performance with a negative impact on breast meat quality. During the starter period, studies have observed that high stocking density is associated with a reduction in feed intake and weight gain in White Pekin ducks [35] and geese [36]. Furthermore, research studies have provided scientific evidence that housing birds in a densely stocked environment can lead to elevated ambient temperatures surrounding the birds and lowering body heat dissipation resulting in heat stress conditions [33,37].…”

Section: Discussionmentioning

confidence: 99%

Dietary Gamma-Oryzanol and Vitamin E Tocotrienols Mitigates Negative Impacts on Productivity, Egg Quality, and Immune- and Health-Related mRNA Abundance in Laying Hens Reared under High Cage Density

Incharoen,

Likittrakulwong,

Singanusong

et al. 2023

Preprint

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A 4×2 factorial experiment was conducted to evaluate the potential of feeding dietary gamma-oryzanol and vitamin E tocotrienols in hens reared in 840 (low cage density; LCD) or 420 cm2/hen (high cage density; HCD). A total of 120 hens were allocated into eight groups with five replicates. Diets were a control (CON) or the control diet supplemented with 200 ppm gamma-oryzanol (GO-200), 200 ppm vitamin E tocotrienols (VE-200) or 200 ppm gamma-oryzanol + 200 ppm vitamin E tocotrienols (GE-400). Results showed that HCD-housed hens decreased (P &lt; 0.01) egg performance and quality. Average egg weight (AEW), egg mass and FCR improved in all supplemented treatments. Results on the AEW, FCR, and eggshell qualities of birds kept at the HCD revealed the best responses in the GE-400 group (P &lt; 0.01). Among hens kept on an HCD, there was a noticeable decrease in HMGCR mRNA abundance in the VE-200 group, while the highest IFN-γ mRNA abundance was found in hens fed the GO-200 diet (P &lt; 0.05). Thus, this study suggested that dietary GO or VE at 200 ppm either individually or in combination could improve performance and egg quality as well as regulate the abundance of immune- and stress-related genes.

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Effect of stocking density on growth performance, feather quality, serum hormone, and intestinal development of geese from 1 to 14 days of age

Cited by 7 publications

References 38 publications

Effects of Sihuang Zhili Granules on the Diarrhea Symptoms, Immunity, and Antioxidant Capacity of Poultry Challenged with Lipopolysaccharide (LPS)

Effects of Sihuang Zhili Granules on the Diarrhea Symptoms, Immunity, and Antioxidant Capacity of Poultry Challenged with Lipopolysaccharide (LPS)

Effect of the age and sex on growth performance and feather quality of 13 to 25-weeks-old White Roman geese

Dietary Gamma-Oryzanol and Vitamin E Tocotrienols Mitigates Negative Impacts on Productivity, Egg Quality, and Immune- and Health-Related mRNA Abundance in Laying Hens Reared under High Cage Density

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