EFFECTS OF SPECIES-SPECIFIC PROBIOTIC ADDITION TO MILK REPLACER ON CALF HEALTH AND PERFORMANCE DURING THE FIRST MONTH OF LIFE

被引:45
|
作者
Agazzi, Alessandro [1 ]
Tirloni, Erica [1 ]
Stella, Simone [1 ]
Maroccolo, Serena [1 ]
Ripamonti, Barbara [1 ]
Bersani, Carla [1 ]
Caputo, Jessica Michela [1 ]
Dell'Orto, Vittorio [1 ]
Rota, Nicola [2 ]
Savoini, Giovanni [1 ]
机构
[1] Univ Milan, Dept Hlth Anim Sci & Food Safety, I-20133 Milan, Italy
[2] Univ Milan, Dept Vet Sci & Publ Hlth, I-20133 Milan, Italy
来源
ANNALS OF ANIMAL SCIENCE | 2014年 / 14卷 / 01期
关键词
calf; health status; growth performance; intestinal microbial balance; species-specific probiotic; LACTIC-ACID BACTERIA; MEDIATED IMMUNE-RESPONSE; GROWTH-PERFORMANCE; YOUNG CALVES; LACTOBACILLI; METAANALYSIS; NUTRITION; COAGULIN; SYSTEM; DIET;
D O I
10.2478/aoas-2013-0089
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
摘要
The aim of this study was to evaluate the effects of the administration of a species-specific probiotic (Lactobacillus animalis SB310, Lactobacillus paracasei subsp. paracasei SB137 and Bacillus coagulans SB117 in a 30: 35: 35 ratio, respectively; 1.8 x 10(10) CFU/g of powder) on gut microbial balance, immune response and growth performance of Holstein female calves during the first month of life. Twenty-two calves were divided into two experimental groups from 2 to 28 days of life: control (C), fed with milk replacer and concentrate as a basal diet, and treatment (T), fed C diet plus 1 g/calf/day of probiotic powder for the first month of age. Faecal and blood samples were individually collected and analysed weekly. Individual faecal score was recorded daily and general health score was calculated at the end of the trial. Cell-mediated immune response was evaluated by skin test at 7 and 28 days of life. Milk replacer and concentrate intake were recorded daily, while body weight and biometrical parameters were recorded at 2, 8, 14, 21 and 28 days of life, thus average daily gain and feed conversion rate were calculated. During the first week of treatment, lower blood eosinophil percentage (0.05% vs. 0.22%; P <= 0.01) was found in T group, while basophils were higher in T than C group at the end of the trial (0.21% vs. 0.16%; P <= 0.05). Higher faecal lactic acid bacteria (LAB)/E. coli ratio on day 28 of life (3.73 log CFU/g vs. 2.02 log CFU/g; P <= 0.05) and lower incidence of diarrhoea were found in the treated group (63.30% vs. 70.71%; P=0.05). Body weight (48.92 kg vs. 46.92 kg; P <= 0.05), total concentrate intake (14.77 kg vs. 12.56 kg on dry matter basis; P <= 0.05), and heart girth (81.16 cm vs. 78.49 cm; P <= 0.05) were significantly higher in T group. The administration of the probiotic during the first month of life improved gut micro-biota and increased the growth performance and some biometric parameters of calves.
引用
收藏
页码:101 / 115
页数:15
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