Effect of lactic acid bacteria administered as feed supplement on the weight gain and ruminal pH in two South African goat breeds

2021 ◽  
pp. 1-6
Author(s):  
Takalani Whitney Maake ◽  
Matthew Adeleke ◽  
Olayinka Ayobami Aiyegoro
Keyword(s):  
Lactic Acid ◽  
Weight Gain ◽  
Lactic Acid Bacteria ◽  
South African ◽  
Feed Supplement ◽  
Ruminal Ph

scholarly journals Effects of direct-fed lactic acid bacteria on weight gain and ruminal ph of two South African sheep breeds

2021 ◽  
Vol 21 (9) ◽  
pp. 18676-18693
Author(s):  
Ayobami Olayinka Aiyegoro ◽  
◽  
Sinalo Mani ◽  
Matthew Adekunle Adeleke ◽  
Keyword(s):  
Body Weight ◽  
Lactic Acid ◽  
Weight Gain ◽  
Lactic Acid Bacteria ◽  
Interactive Effect ◽  
Lactobacillus Rhamnosus ◽  
The Body ◽  
Interactive Effects ◽  
Sheep Breeds ◽  
Ruminal Ph

A ruminant’s digestion depends on microbial degradation of feed rather than endogenous enzyme degradation as in most monogastric animals. The study was conducted to assess the effects of Lactic Acid Bacteria (LAB) strains administered as direct-fed microbials on weight gain and ruminal pH of Damara and Meatmaster sheep breeds. Sixty-four Damara and Meatmaster sheep breeds [Damara males (36.6 ± 8.3 kg); Damara females (28.9 ± 6.9 kg); Meatmaster males (24.6 ± 3.4 kg); Meat master females (21.5 ± 3.1 kg)] were subjected to a 30-day trial and divided into five treatment groups as follows: pellets with no antibiotic and no probiotics administered (T1); pellets with no antibiotics, only Lactobacillus rhamnosus SCH administered (T2); pellets with no antibiotics, only Lactobacillus rhamnosus AF3G administered (T3); pellets with no antibiotics, with the combination of Lactobacillus rhamnosus SCH and Lactobacillus rhamnosus AF3G, administered (T4); pellets fortified with antibiotic and no probiotic administered (T5). The animals were fed on commercial pellets fortified with or without antibiotics. Animals were each weighed, and rumen fluids were collected using a stomach tube, and pH was read immediately, before and at the end of the trials. Data obtained were subjected to analysis of variance using SPSS version 4.0. The results showed that the effect of treatment, sex and some of their interactive effects were significant (p <0.001) on the body weight of sheep irrespective of breed. The effect of treatments revealed that the animals in the combination of probiotics gained more weight than those in other groups. Damara breed had a heavier body weight than Meatmaster while males were 6 kg heavier relative to females (p <0.001). Only breed was significant (p <0.05) on weight gained. Treatment (p <0.05), breed (p <0.001) and their interactive effect (p <0.05) were significant on ruminal pH. The highest pH value was 7.27 for the T5 group and 7.37 for the Damara breed. Results suggest that LAB may have beneficial effects on the growth performances of sheep and therefore may be suitable as future growth promoters in sheep production, as they don't have any harmful residues compared to antibiotics.

scholarly journals Pengaruh Probiotik Bakteri Asam Laktat dalam Air Minum Terhadap Konversi Pakan Ayam Broiler

2021 ◽  
Vol 9 (2) ◽  
pp. 86
Author(s):  
Nanda Kholifatul Azizah ◽  
Sarmanu Sarmanu ◽  
Budi Utomo ◽  
Emy Koestanti Sabdoningrum ◽  
Widya Paramitha Lokapirnasari ◽  
...  
Keyword(s):  
Drinking Water ◽  
Lactic Acid ◽  
Weight Gain ◽  
Lactic Acid Bacteria ◽  
Broiler Chickens ◽  
Body Weight Gain ◽  
Feed Consumption ◽  
Feed Conversion ◽  
Conversion Rates ◽  
Probiotic Lactic Acid Bacteria

This study aimed to determine the effect of probiotics of lactic acid bacteria in drinking water on feed consumption, weight gain and feed conversion ratio of broiler chickens. This research is an experimental research. The experimental animals used in this study were 28 male broiler chickens strain Cobb 700 aged 20 days. P0 was not given the addition of probiotic lactic acid bacteria, P1 was given the addition of probiotic lactic acid bacteria Lactobacillus acidophilus in 1ml/liter drinking water, P2 was given the addition of probiotic lactic acid bacteria Lactobacillus casei in drinking water 1ml/liter, P3 was given the addition of probiotic lactic acid bacteria Lactobacillus fermentum in drinking water 1ml/liter, P4 was given the addition of probiotic lactic acid bacteria Lactobacillus plantarum in drinking water 1ml/liter, P5 was given the addition of probiotic lactic acid bacteria Pediococcus in drinking water 1ml/liter, P6 was given the addition of probiotic mix lactic acid bacteria in drinking water 1ml /liter. Collecting data for the last 1 week by weighing the remaining consumption of feed given and weight gain of broiler chickens. The data obtained were analyzed using the Analysis of Variant (ANOVA) statistical method and continued with Duncan. Based on the results of the calculation of the amount of feed consumption and weight gain in broiler chickens, it showed that the administration of probiotic lactic acid bacteria 1ml/liter of water in broiler chickens could increase body weight gain, reduce feed conversion rates but did not reduce broiler feed consumption (p<0.05).

scholarly journals Profiling and antibiotic resistance of lactic acid bacteria isolated from commercial aMasi samples

2020 ◽  
Author(s):  
◽  
Yovani Pillay
Keyword(s):  
Antibiotic Resistance ◽  
Lactic Acid ◽  
Food Safety ◽  
Lactic Acid Bacteria ◽  
South African ◽  
Bacterial Population ◽  
Principal Component ◽  
Antibiotic Resistant ◽  
Food Grade ◽  
Resistant Genes

aMasi is traditionally fermented milk that constitutes part of the South African heritage and is regarded as a supplementary staple food. Its inclusion into the South African Food Based Dietary Guidelines has led to the encouraged consumption of this product. Given the fact that aMasi is a rich source of lactic acid bacteria (LAB), such bacteria are of economic importance to the food, feed and pharmaceutical industries. The main concern regarding food safety is ability to acquire and disseminate antibiotic-resistant genes. Although LAB bility of resistance genes to human and animal opportunistic and pathogenic bacteria which could make treatment of bacterial infections more complex to treat in the future. Numerous reports globally, have documented antibiotic resistance among LAB isolated from commercial dairy and pharmaceutical products over the last decade. Therefore, the aim of this study was to determine if LAB isolated from commercial aMasi samples harbour antibiotic-resistant genes. To achieve this aim, the total bacterial population and LAB population of 10 aMasi samples were surveyed using culture-dependent techniques and the proportional prevalence of LAB to the total bacterial population were determined by using a 100% stacked-column. In all 10 samples, LAB was the predominating population ranging from 87.44% to 99.77%. A total of 30 LAB isolates were characterised after isolation and sequencing of 16S rDNA of these isolates showed that LAB were Leuconostoc pseudomesenteroides and Leuconostoc mesenteroides with two isolates being identified as Lactococcus lactis CP028160.1. The relationship between the growth of LAB and selected physicochemical properties (pH, titratable acidity, water activity (aw), moisture content, fat content and estimation of reducing sugars (lactose)) were determined using principal component analysis (PCA) and classification and regression tree (CART) to illustrate the likelihood of LAB present in aMasi samples based on LAB count and pH. From the PCA results, approximately 75.25% of variances in the data were retained by the first three principal components (PCs). The first principal component (PC1) had accounted for the highest total variance of 33.16%. PC1 increased with an increase in lactic acid % and aw, whilst it negatively correlated with LAB count, moisture % and lactose (mg/25ml lactose·H2O). The results showed an increase in LAB count with an increase in moisture % and lactose (mg/25ml lactose·H2O) whilst, LAB count had decreased with an increase in lactic acid % and aw. Moreover, pH and fat % had no effect on PC1, high LAB counts were observed for samples 6 and 7 whist low LAB counts were observed for samples 9 and 10. On the other hand, PC2 had accounted for approximately 27.53% of the total variance. PC2 increased with an increase in fat % and lactose (mg/25ml lactose·H2O), whilst it negatively correlated with LAB count and pH. It was observed that the growth of LAB had increased with an increase in pH, whilst it decreased with an increase in fat % and lactose (mg/25ml lactose·H2O). Moreover, lactic acid %, aw and moisture % had no effect on PC2. High LAB counts were observed for samples 7 and 8 and low LAB counts were observed for samples 2 and 4. Nine out of the 30 LAB isolates were selected due to these isolates having a different GenBank Accession number and were subjected to antibiotic susceptibility testing using the disc diffusion method against a total of 11 antibiotics. Most of the LAB isolates exhibited multiple resistance towards some of the most commonly used antibiotics as well as last-resort antibiotics. All the isolates showed high levels of resistance towards vancomycin, colistin sulphate, fosfomycin and pipemidic acid except for Lactococcus lactis CP028160.1 which was susceptible to vancomycin. All isolates were susceptible to tetracycline and erythromycin whilst eight out of nine isolates were susceptible to chloramphenicol with seven out of nine isolates being susceptible to ampicillin. Furthermore, the isolates had displayed intermediate resistance mainly towards kanamycin and streptomycin. The present study showed that multiple antibiotic resistance is prevalent in different species of starter culture strains, which may pose a food safety concern. LAB that exhibit phenotypic resistance to antibiotics should also be evaluated on a molecular level to monitor their resistance. The presence of such a variety of expressed AR genes in probiotic isolates is a worrying trend. The impact of the interactions of these bacteria with pathogenic strains and their transfer of these AR genes is yet to be assessed. Furthermore, antibiotic sensitivity is an important criterion in the safety assessment for the evaluation of food-grade and potential food-grade LAB.

scholarly journals Populasi Bakteri Usus Halus dan Performan Ayam Kampung Silangan Kampung-Leghorn Akibat Ditambahkan Ekstrak Umbi Dahlia dalam Ransum

2021 ◽  
Vol 21 (2) ◽  
pp. 157-164
Author(s):  
Lilik Krismiyanto ◽  
Nyoman Suthama ◽  
Hanny Indrat Wahyuni
Keyword(s):  
Escherichia Coli ◽  
Body Weight ◽  
Small Intestine ◽  
Lactic Acid ◽  
Weight Gain ◽  
Lactic Acid Bacteria ◽  
Body Weight Gain ◽  
Control Diet ◽  
Native Chicken ◽  
Tuber Extract

ABSTRACT. Penelitian bertujuan untuk mengkaji perkembangan bakteri usus halus dan performan ayam kampung silangan kampung-leghorn (KL) akibat ditambahkan ekstrak umbi dahlia dalam ransum. Ternak percobaan yang digunakan adalah persilangan ayam kampung silangan KL sebanyak 200 ekor umur 22 hari dengan rata-rata bobot badan 180,46 ± 1,21 g. Bahan perlakuan meliputi umbi dahlia, ethanol 70%, kertas saring halus serta bahan pakan penyusun ransum (jagung giling, bekatul, bungkil kedelai, tepung ikan, CaCO3 dan mineral dan vitamin mix). Rancangan percobaan yang digunakan rancangan acak lengkap dengan 4 perlakuan dan 5 ulangan (masing-masing unit percobaan diisi 10 ekor). Perlakuan yang diterapkan meliputi: P0=Ransum kontrol/RK, P1=RK+0,39% ekstrak umbi dahlia, P2=RK+0,78 ekstrak umbi dahlia, dan P3= RK+1,17 ekstrak umbi dahlia. Parameter yang diukur meliputi populasi bakteri asam laktat, Escherichia coli, pH digesta tiap masing-masing segmen usus halus dan pertambahan bobot badan harian (PBBH). Data dianalisis dengan menggunakan uji sidik ragam dan jika berpengaruh nyata dilakukan uji beda nyata Duncan pada taraf 5%. Hasil penelitian menunjukkan bahwa penambahan ekstrak umbi dahlia berpengaruh nyata terhadap populasi bakteri asam laktat, Escherichia coli, pH digesta tiap masing-masing segmen usus halus dan PBBH. Kesimpulan adalah penambahan ekstrak umbi dahlia sampai taraf 1,17% sebagai sumber inulin di dalam ransum dapat meningkatkan populasi bakteri asam laktat, menurunkan pH dan Escherichia coli pada masing-masing segmen usus halus serta memperlambat laju digesta dan meningkatkan PBBH.  (Population of small intestine bacteria and performance of native chicken-leghorn crossbreed duo to feeding of dahlia tuber extract) ABSTRAK. This study aims to examine the development of small intestine bacteria and the performances of native chicken-leghorn crossbreed due to the addition of dahlia tuber extract in the diet. Experimental animals were 200 unsex native chicken-leghorn crossbreed, 22 days old with an average body weight of 180.46 ± 1.21 g. Treatment materials include dahlia tuber, ethanol 70%, fine filter paper and feed stuff (yellow corn, rice bran, soy bean meal, fish meal, CaCO3, and vitamin-mineral mix). The present experiment was assigned in a completely randomized with 4 treatments and 5 replications (10 birds each). The treatments were: P0=Control Diet/CD, P1=CD+0,39% dahlia tuber extract, P2=CD+0,78% dahlia tuber extract and P3=CD+1,17% dahlia tuber extract. Parameters measured were the number of Lactic Acid Bacteria (LAB), Escherichia coli, intestinal potential hydrogen (pH) (duodenal, jejunal and ileal), rate of passage and daily body weight gain (DBWG). Data were subjected to ANOVA and followed by Duncan Multiple Range Test on 5% level. The results indicated that feeding native chicken-leghorn crossbreed with the diet containing dahlia tuber extract (DTE) significantly (P0.05) increased LAB population and DBWG, decreased E. coli population and intestinal pH, and slow the rate of passage down. In conclusion, feeding of dahlia tubers as a source of inulin in the form of dahlia tuber extract to a level of 1.17% increased the population of lactic acid bacteria, reduced pH and Escherichia coli in each segment of the small intestine and retard the rate of digestion and increased body weight gain.

Identification of lactic acid bacteria isolated from South African brandy base wines

2004 ◽  
Vol 91 (1) ◽  
pp. 19-29 ◽  
Author(s):  
H.W. du Plessis ◽  
L.M.T. Dicks ◽  
I.S. Pretorius ◽  
M.G. Lambrechts ◽  
M. du Toit
Keyword(s):  
Lactic Acid ◽  
Lactic Acid Bacteria ◽  
South African
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