Effects of Dietary Fiber, Crude Protein Level, and Gestation Stage on the Nitrogen Utilization of Multiparous Gestating Sows

Article Nutrition & Dietetics

Gut microbial metabolism of dietary fibre protects against high energy feeding induced ovarian follicular atresia in a pig model

Yong Zhuo et al.

Summary: The study found that adding dietary fiber can reduce the risk of follicular atresia caused by a high-fat diet in pigs, possibly by modulating gut microbiota and promoting serotonin-melatonin synthesis.

BRITISH JOURNAL OF NUTRITION (2021)

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Article Agriculture, Dairy & Animal Science

Dietary fiber in a low-protein diet during gestation affects nitrogen excretion in primiparous gilts, with possible influences from the gut microbiota

Min Yang et al.

Summary: The study found that dietary fiber supplementation improved nitrogen utilization and reproductive performance in primiparous gilts, while a low-protein diet negatively affected litter performance. Additionally, fecal microbial protein levels and excretion increased with dietary fiber supplementation, showing a potential role of microbiota in controlling nitrogen utilization.

JOURNAL OF ANIMAL SCIENCE (2021)

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Article Agriculture, Dairy & Animal Science

Beneficial effects of a decreased meal frequency on nutrient utilization, secretion of luteinizing hormones and ovarian follicular development in gilts

Lun Hua et al.

Summary: The study investigated the effect of meal frequency on metabolic status and ovarian follicular development in gilts. Results showed that gilts fed one meal per day had higher daily gain and body weight compared to those fed six meals per day. Meal frequency did not affect dry matter digestibility, but gilts fed one meal per day exhibited better NDF digestibility. Additionally, gilts in the one meal group had higher nutrient utilization and reproductive hormone levels compared to other groups. These findings provide new insights into nutritional strategies for replacement gilts and potentially other mammals like humans.

JOURNAL OF ANIMAL SCIENCE AND BIOTECHNOLOGY (2021)

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Review Agriculture, Dairy & Animal Science

Progress of amino acid nutrition for diet protein reduction in poultry

M. T. Kidd et al.

Summary: This review article focuses on the current research status and direction of reducing dietary protein in broiler chickens, particularly in the area of amino acid nutrition, and provides insights into the concept of reduced protein diets and the relationship with nutrient matrix considerations. The study suggests that practical applications in feeding reduced protein diets to broilers are advancing, but more work and research are still warranted.

JOURNAL OF ANIMAL SCIENCE AND BIOTECHNOLOGY (2021)

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Article Agriculture, Dairy & Animal Science

Impact of four fiber-rich supplements on nutrient digestibility, colostrum production, and farrowing performance in sows

Takele Feyera et al.

Summary: This study investigated the impact of different dietary fiber sources on sow and litter performance, as well as the digestibility of energy and nutrients. The results suggest that using PKE as a fiber source for late gestating sows should be avoided, as it led to reduced digestibility of energy and crude protein, as well as lower dry matter concentration in colostrum but increased farrowing assistance.

JOURNAL OF ANIMAL SCIENCE (2021)

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Article Agriculture, Dairy & Animal Science