Animal feeding stuffs: Methods of sampling and analysis. Detection and enumeration of Bacillus spp. used as feed additive

2021 ◽  
Keyword(s):  
Feed Additive ◽  
Bacillus Spp ◽  
Animal Feeding

scholarly journals Productive indicators of cows and milk quality, when adding amide-vitamin-mineral concentrate to the diet

2020 ◽  
Vol 11 (2) ◽  
pp. 1511-1514
Author(s):  
Sergey Yu. Smolentsev ◽  
Galiya R Yusupova ◽  
Nikita V Nikolaev ◽  
Zaira F Aukhadieva ◽  
Renat A Volkov ◽  
...  
Keyword(s):  
Capital Investment ◽  
Dairy Farm ◽  
Feed Additive ◽  
Cattle Breeding ◽  
Black And White ◽  
Lactating Cows ◽  
Dairy Cattle Breeding ◽  
White Breed ◽  
Animal Feeding ◽  
The Republic

The effectiveness of dairy cattle breeding largely depends on the intensity of use of the breeding stock. At the same time, the factor of the duration of economic use of animals is gaining importance, which affects not only the production economy, but also the improvement of stocks and breeds. The lifelong productivity, the quantitative and qualitative growth of the stock, the amount of capital investment in its formation and the efficiency of operation depend on the term for the productive use of cows. The terms of breeding and production use of animals are direct linked with the biologically possible longevity of each animal, in turn, the duration of the productive period of cattle is in the range of 12-17 lactations. The influence of feed on production is associated primarily with the level of digestion and assimilation. The digestive capacity of the digestive tract of animals can be improved by selecting the optimal ratio in the diet of rough, juicy and concentrated feeds, i.e. optimization of animal feeding types. We conducted an analysis of milk productivity in lactating cows, when using AVMC feed additive in the diet. The experiment was conducted in the conditions of the dairy farm of Biryuli CJSC of the Vysokogorsky District of the Republic of Tatarstan on three groups of lactating cows. For the experiment, 30 cows were selected, 10 in each Holstein black-and-white breed according to the principle of analogues. Studies have shown that AVMC with rapeseed oil seeds and AVMC with fus in the diet of lactating cows provided higher animal productivity and positively affected the chemical composition of milk.

scholarly journals Freshwater green macroalgae as a biosorbent of Cr(III) ions

2018 ◽  
Vol 16 (1) ◽  
pp. 689-701 ◽  
Author(s):  
Katarzyna Godlewska ◽  
Krzysztof Marycz ◽  
Izabela Michalak
Keyword(s):  
Feed Additive ◽  
Cladophora Glomerata ◽  
Order Model ◽  
Green Macroalgae ◽  
Biosorption Capacity ◽  
Biosorption Process ◽  
Column System ◽  
Batch System ◽  
Pseudo Second Order ◽  
Animal Feeding

AbstractThe research was conducted to evaluate the possibility of using algae enriched with Cr(III) ions as a feed additive for horses. As a sorbent, macroalgaCladophora glomeratawas chosen. The results of the kinetic and equilibrium experiments on biosorption of Cr(III) ions are presented. The pseudo-second order model was used for the description of kinetics. Equilibrium of biosorption process was described by Langmuir model. The effect of biosorbent dose: 0.1–1.0 g·L-1, initial metal ions concentration: 100–300 mg·L-1and pH: 3–5 on the biosorption capacity in a batch system was evaluated. These factors played a significant role in affecting the biosorption capacity of biosorbent and the rate constant. Optimal pH for biosorption was 5, biosorbent dose 0.1 g·L-1, initial concentration of Cr(III) ions 300 mg·L-1. The maximum biosorption capacity determined from Langmuir equation was 107.5 mg·g-1(forCS1.0 g·L-1, pH 5). The experiments were also performed in a column system and they showed that almost 100% of Cr(III) ions were absorbed after 200 minutes. The FTIR and SEM-EDX technique confirmed binding of Cr(III) ions by the algal biomass. Due to very good biosorption properties,Cladophora glomeratacan be considered as a carrier of microelement ions in animal feeding.

scholarly journals The Effect of Fermented Kefir as Functional Feed Additive in Post-Weaned Pigs

Fermentation ◽  
2021 ◽  
Vol 7 (1) ◽  
pp. 23
Author(s):  
Woosik Choi ◽  
Dang Bao Son ◽  
Jeongpyo Hong ◽  
Dabeen Jeong ◽  
Hee-Chang Kim ◽  
...  
Keyword(s):  
Immune System ◽  
Growth Performance ◽  
Average Daily Gain ◽  
Treated Group ◽  
Feed Additive ◽  
Feed Conversion ◽  
Weaned Pigs ◽  
Fecal Samples ◽  
Microbial Profile ◽  
Bacillus Spp

The control of the immune system of pigs after weaning is important in pig farming because productivity depends on the survival of the post-weaned pigs. Previously, antibiotics would have been administered in the case of infectious diseases to increase the survival rate of post-weaned pigs, but now, the use of antibiotics is strictly restricted in order to prevent other problems such as the occurrence of antibiotic-resistant pathogens. In this study, the effect of fermented kefir as a functional feed additive as a replacement to antibiotics was evaluated in terms of the microbial profile in fecal samples, immunological factors in the blood of pigs, growth performance measured as average daily gain (ADG) and the feed conversion rate (FCR) of post-weaned pigs. In the kefir-treated group, the number of lactic acid bacteria and Bacillus spp. in the fecal samples of the pigs increased with the kefir treatments. Interestingly, the number of coliform groups as opportunistic pathogens was reduced in the fecal samples of pigs treated with kefir. We found out that treatment with kefir enhanced the innate immunity of post-weaned pigs though the reduction of IL-6 as a proinflammatory cytokine and an increase in IgG as an immunoglobulin, enhancing immunological defense against pathogens. Finally, after treatment with kefir, we observed that the ADG of post-weaned pigs increased to 135.6% but FCR decreased to 92.2%. Therefore, this study shows that fermented kefir can be used as a functional feed additive and an antibiotic alternative in order to improve both the innate immune system and growth performance of post-weaned pigs.

Influence of the herbal component of a commercial feed additive on serum parameters, fertility and longevity of dairy cows

Planta Medica ◽  
2010 ◽  
Vol 76 (12) ◽  
Author(s):  
M Walkenhorst ◽  
S Ivemeyer ◽  
J Spranger ◽  
G Arndt ◽  
R Schaette
Keyword(s):  
Dairy Cows ◽  
Feed Additive ◽  
Serum Parameters ◽  
Commercial Feed
Sign in / Sign up

Export Citation Format

Share Document