Supplemental Dietary Methionine Affects the Pelt Quality and Nutrient Metabolism of Raccoon Dogs (Nyctereutes procyonoides)

Liu, Hanlu; Li, Guangyu; Wei, Zhong; Li, Danli; Sun, Weiyi

doi:10.3923/ajava.2012.61.67

Cited by 5 publications

(3 citation statements)

References 8 publications

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“…Pelt quality is determined by size, color, luster, density and length of guard hairs, dry weight and cleanliness (Liu et al 2012). Pelt quality is determined by size, color, luster, density and length of guard hairs, dry weight and cleanliness (Liu et al 2012).…”

Section: Discussionmentioning

confidence: 99%

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Dietary copper supplementation improves pelt characteristics of female silver fox (Vulpes fulva) during the winter fur‐growing season

Wei

Liu

Luo

et al. 2014

Animal Science Journal

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Copper has an essential role in normal fur pigmentation and fur quality. This study evaluated the effects of cupric citrate (CuCit) supplementation on growth, nutrients metabolism and pelt characteristics of the female silver fox (Vulpes fulva). Fifty age-matched female silver foxes with similar body weights were randomly divided into five dietary groups for 58 days during the winter fur-growing season. The basal diet contained 4.92 mg/kg copper. Groups I-V were supplemented with 6, 30, 60, 90 or 150 mg Cu from CuCit per 1 kg dry matter basal diet. Serum alkaline phosphatase activity was significantly higher (P<0.05) in those fed 90 mg/kg Cu than those fed 150 mg/kg Cu. Pelt total thickness was significantly higher (P<0.05) in those fed 30 mg/kg Cu than foxes fed 6 mg/kg Cu supplemented diet, but were similar to the other groups. Length of guard hair was significantly lower (P<0.05) in those fed 90 mg/kg Cu than fed 6 mg/kg Cu and 30 mg/kg Cu, but were similar to the other groups. Length of underhair was significantly higher (P<0.05) in those fed 6 mg/kg Cu than those fed 90 mg/kg Cu, but was similar to the other groups. Considering decreasing environmental contamination and improving pelt performance, supplementing 30 mg/kg Cu from CuCit (actual copper 35 mg/kg dry matter) is appropriate for female silver fox.

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Section: Discussionmentioning

confidence: 99%

“…The body and fresh pelt lengths of group II were higher than in the other groups. Pelt quality is determined by size, color, luster, density and length of guard hairs, dry weight and cleanliness (Liu et al 2012). In fur production, fur quality and size were economically most important properties of pelt (Schoeman & Nel 1969;Leroux 1979).…”

Section: Discussionmentioning

confidence: 99%

Dietary copper supplementation improves pelt characteristics of female silver fox (Vulpes fulva) during the winter fur‐growing season

Wei

Liu

Luo

et al. 2014

Animal Science Journal

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“…Foxes were euthanized by intramuscular injection of succinyl choline. The quality of pelt was estimated by measuring the following four parameters according to Liu et al (2012): (1) fresh pelt length from the nose tip to tail root;…”

Section: Slaughter Traitsmentioning

confidence: 99%

Effects of dietary fat:carbohydrate ratio on nutrient digestibility, serum parameters, and production performance in male silver foxes (Vulpes vulpes) during the winter fur-growing period

et al. 2016

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Forty male silver foxes were used to investigate the effects of increasing dietary fat:carbohydrate (F:C) ratio {34:34, 41:28, 48:22, and 55:17 [metabolizable energy basis (ME)]} on growth performance, nutrient digestibility, serum parameters, and pelt quality during the winter fur-growing period. The results showed that average daily feed intake, average daily ME intake, average daily gain (ADG), feed efficiency, and protein digestibility were improved (P < 0.01 or P < 0.05) when dietary F:C ratio ranging from 34:34 to 48:22. However, foxes that received the 55:17 feed had lower (P < 0.05) ADG and protein digestibility than the other groups. The fat digestibility was increased (P < 0.01), and the carbohydrate digestibility was decreased (P < 0.01) with the increasing dietary F:C ratio. In addition, serum triglyceride and low-density lipoprotein cholesterol significantly increased (P < 0.05) as dietary F:C ratio increased. Changing dietary F:C ratio from 34:34 to 48:22 resulted in an increase in pelt quality, but it had negative effects on growth and pelt quality when foxes received 55:17 feed. We conclude that the optimal dietary F:C ratio for silver foxes during the winter fur-growing period was 48:22.

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Comparative analysis of the gut microbiota of the blue fox (Alopex lagopus) and raccoon dog (Nyctereutes procyonoides)

Liu

et al. 2019

Arch Microbiol

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Supplemental Dietary Methionine Affects the Pelt Quality and Nutrient Metabolism of Raccoon Dogs (Nyctereutes procyonoides)

Cited by 5 publications

References 8 publications

Dietary copper supplementation improves pelt characteristics of female silver fox (Vulpes fulva) during the winter fur‐growing season

Dietary copper supplementation improves pelt characteristics of female silver fox (Vulpes fulva) during the winter fur‐growing season

Effects of dietary fat:carbohydrate ratio on nutrient digestibility, serum parameters, and production performance in male silver foxes (Vulpes vulpes) during the winter fur-growing period

Comparative analysis of the gut microbiota of the blue fox (Alopex lagopus) and raccoon dog (Nyctereutes procyonoides)

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