Effects of Dietary Lysine and Methionine Levels on Growth Performance,Nutrient Digestibility,Serum Biological Parameters and Fur Characteristics of Silver Fox during the Furring Growth Period

蛋氨酸 干物质 赖氨酸 营养物 生物学价值 动物科学 尿素 生物 化学 饲料转化率 食品科学 氨基酸 体重 生物化学 内分泌学 生态学
作者
Zhong We
出处
期刊:Chinese Journal of Animal Nutrition
摘要

This experiment was conducted to study the effects of dietary lysine and methionine levels on growth performance,nutrient digestibility,serum biological parameters and fur characteristics of silver fox during the furring growth period. Seventy 120-day-old male silver foxes with an average body weight of( 5 973 ± 94) g were selected and randomly divided into 7 groups with 10 replicates in each group and 1 silver fox in each replicate. The trial adopt two factor design,in the basal diet,the lysine supplemental levels were 0,0. 50%,and the methionine supplemental levels were 0,0.25%,0.50%,0. 75%,respectively. The contents of lysine and methionine in basal diet were 1.15% and 0.66%,respectively. The experimental period lasted for 51 days. The results showed as follows: 1) dietary lysine and methionine levels had no significant effect on growth performance( P 0.05). 2) Dietary lysine and methionine interaction had no significant effect on nutrient intake,output and digestibility( P 0.05). Dietary lysine level had no significant effect on nutrient intake,protein output and protein digestibility( P 0.05),but had significant effect on dry matter output,dry matter digestibility,fat output and fat digestibility( P 0. 05 or P 0. 01). Dietary methionine level only had significant effect on dry matter output( P 0.05). 3) Dietary lysine and methionine interaction had significant effect on serum total amino acid content( P 0.01),but had no significant effect on the content of total protein,albumin,urea nitrogen and the activities of alanine aminotransferase,aspartate aminotransferase in serum( P 0. 05). Dietary lysine level had significant effect on serum total amino acid content( P 0. 01). Dietary lysine level had significant effect on serum aspartate aminotransferase activity( P 0.01). 4) Dietary lysine and methionine interaction had no significant effect on fur characteristics( P 0.05),and dietary lysine and methionine levels had no significant effect on fur characteristics( P 0.05). In conclusion,considering to reduce feed cost and emission,it is beneficial to production for silver fox in the furring growth period by adding 0.50% lysine( actual lysine content 1.65%) and 0.25% methionine( actual methionine content 0.91%) in basal diet.

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
火星上小土豆完成签到 ,获得积分10
9秒前
杰尼龟的鱼完成签到 ,获得积分10
13秒前
安然完成签到 ,获得积分10
14秒前
张希伦完成签到 ,获得积分10
14秒前
任性翠安完成签到 ,获得积分10
18秒前
dong完成签到 ,获得积分10
20秒前
神说完成签到,获得积分0
22秒前
量子星尘发布了新的文献求助10
28秒前
Aimee完成签到 ,获得积分10
28秒前
徐彬荣完成签到,获得积分10
29秒前
研友_8yN60L完成签到,获得积分10
30秒前
搜集达人应助科研通管家采纳,获得10
30秒前
光亮的自行车完成签到 ,获得积分10
30秒前
李东东完成签到 ,获得积分10
45秒前
王多肉完成签到,获得积分10
49秒前
Iiiilr完成签到 ,获得积分10
50秒前
杨幂完成签到,获得积分10
51秒前
58秒前
hellokitty完成签到,获得积分10
1分钟前
1分钟前
小四发布了新的文献求助10
1分钟前
1分钟前
西瓜完成签到 ,获得积分10
1分钟前
包容的忆灵完成签到 ,获得积分10
1分钟前
高兴尔冬发布了新的文献求助10
1分钟前
xiang完成签到 ,获得积分0
1分钟前
小四完成签到,获得积分10
1分钟前
FashionBoy应助slayers采纳,获得30
1分钟前
量子星尘发布了新的文献求助10
1分钟前
黑眼圈完成签到 ,获得积分10
1分钟前
jia完成签到 ,获得积分10
1分钟前
如履平川完成签到 ,获得积分10
1分钟前
科目三应助忧伤的步美采纳,获得10
1分钟前
大椒完成签到 ,获得积分10
1分钟前
1分钟前
1分钟前
wisdom完成签到,获得积分10
1分钟前
slayers发布了新的文献求助30
1分钟前
1分钟前
e746700020完成签到,获得积分10
1分钟前
高分求助中
【提示信息,请勿应助】关于scihub 10000
Les Mantodea de Guyane: Insecta, Polyneoptera [The Mantids of French Guiana] 3000
徐淮辽南地区新元古代叠层石及生物地层 3000
The Mother of All Tableaux: Order, Equivalence, and Geometry in the Large-scale Structure of Optimality Theory 3000
Handbook of Industrial Diamonds.Vol2 1100
Global Eyelash Assessment scale (GEA) 1000
Picture Books with Same-sex Parented Families: Unintentional Censorship 550
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 4038039
求助须知:如何正确求助?哪些是违规求助? 3575756
关于积分的说明 11373782
捐赠科研通 3305574
什么是DOI,文献DOI怎么找? 1819239
邀请新用户注册赠送积分活动 892655
科研通“疑难数据库(出版商)”最低求助积分说明 815022