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Arch Tierernahr. 2001;55(3):243-53.

Effect of lactobacillus supplementation on growth and nutrient utilization in mongrel pups.

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1
Indian Veterinary Research Institute, Regional Station, Palampur, 176 061, India.

Abstract

Effect of lactobacillus supplementation was studied in eight Mongrel pups of about 10 weeks of age with a mean body weight of 5.2 kg divided into two equal groups, control (group C) and a probiotic supplemented group (group L). Both groups received the same feed (biscuit) which was for group L supplemented with 2 x 10(7) cfu of a Lactobacillus acidophilus strain. The feeding trial lasted 13 weeks and included a digestibility trial of six day during which feed and faeces were collected to assess intake and digestibility of nutrients. Growth was recorded as weekly live weight change and the physical, chemical and microbiological characteristics of stool were examined periodically to assess the effect of lactobacillus on intestinal health. The biscuits contained 89% DM, 32.6% CP, 5.8% ash and 12.7% EE with TDN, GE and ME content of 890 g, 19.6 MJ and 14.6 MJ per kg DM, respectively. The DM, OM, CP and GE digestibilities were between 76% to 79% and the EE digestibility was 93%. The CF digestibility was negligible (22%). There were no significant differences between the two groups. There was an appetite stimulation and a relatively higher DM intake (10 to 15%) which induced higher daily gain, 102 g in group L vs. 92 g in group C up to 19 weeks of age, the difference declined thereafter. The average daily gain during the whole period was 74.5 +/- 8.0 g and 81.6 +/- 6.0 g in group C and L, respectively, and the difference was statistically non-significant (P > 0.05). The stools showed similar physical properties and composition with acidic pH in both groups. Lactobacillus supplementation caused a competitive establishment in the gastrointestinal tract of pups. It can be concluded that lactobacillus supplementation shows a positive effect during active growth phase (up to 4.5 months of age), which became insignificant in the later period of life.

PMID:
12098837
[Indexed for MEDLINE]

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