Impact of Inclusion of Multicomponent Synbiotic Russian Holstein Dairy Cow's Rations on Milk Yield, Rumen Fermentation, and Some Blood Biochemical Parameters

Abstract

The purpose of this study was to appraise the effect of the inclusion of multicomponent synbiotic “Kormomix® Rumin” in feeding lactating Holstein cows on milk productivity, indicators of rumen fermentation metabolism, and some hematological and biochemical parameters of the blood. For this study, 40 highly productive Russian Holstein cows were selected according to their productivity, physiological condition, live weight, and age. They were divided into four groups (10 heads/each). All animals received the basal total mixed ration (TMR), which was balanced and corresponded to the nutritional requirements for cows during the milking period with a milk yield of 36 kg/daily. The first group (control) fed basal (TMR) only while the 2nd, 3rd, and 4th group fed the basal (TMR) supplemented with a multicomponent synbiotic “Kormomix® Rumin” in amounts 25, 50, and 75 g/head/day, respectively, which was administered manually and individually after morning feeding daily and mixing carefully together with the concentrates directly after calving until 120 DIM. Milk, ruminal fluid, and blood samples were collected for studying the studied parameters. The highest values in all studied milk parameters were recorded in the 2nd experimental group but the differences were not significant. The inclusion of “Kormomix® Rumin” increased significantly the synthesis of volatile fatty acids in the 2nd experimental group (9.38 vs. 7.04 mmol/100 ml) in the control group. The level of serum α-Amylase (total) decreased significantly in the 2nd experimental group compared with other groups. The urea level recorded the lowest value in the control group, while the urea/creatinine ratio recorded the lowest value in the 4th group and the differences were significant when compared with the 2nd group. Accordingly, the inclusion of synbiotic “Kormomix® Rumin” in the diets of lactating cows has no impact on milk production. Whereas, it improves the intensity of rumen fermentation, which contributes to more efficient utilization of feed without any harmful effects on blood traits. Moreover, the recommended dose for use in their diets is 25 g/head/day.

The Role of Supplementing a Complex Phytobiotic Feed Additive Containing (Castanea sativa mill) Extract in Combination with Calcium Butyrate, Zinc–Methionine and Essential Oils on Growth Indicators, Blood Profile and Carcass Quality of Broiler Chickens

“…Modern industrial poultry farming, both urgent and broiler, is widely used all over the world by many approaches or alternative natural feed additives in feed to increase productivity, improve animal welfare and, ultimately, achieve the sustainability of animal husbandry [ 2 , 3 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 33 ]. Of course, the ban on the use of antibiotics when feeding poultry and other types of productive farm animals has positively affected the increase in alternative sources of biologically active substances, such as pro- and prebiotics [ 10 , 11 , 22 , 27 ], enzymes [ 11 , 34 ], symbiotics [ 27 , 34 ], organic acids [ 35 , 36 , 37 , 38 , 39 ], essential oils [ 10 , 11 , 13 , 20 ], medicinal herbs [ 36 , 40 , 41 ], phytobiotics [ 7 , 8 , 9 , 11 , …”

“…Currently, manufacturers of feed additives face two tasks: the production of additives with a bactericidal effect, as well as stimulating the growth and development of high-quality muscle tissue [ 20 , 21 , 22 , 23 ]. There are more than a dozen solutions on the market having the above properties with varying degrees of effectiveness, such as probiotics [ 19 , 22 , 24 ], prebiotics [ 24 , 25 , 26 ], symbiotics [ 25 , 26 , 27 ], enzymes [ 25 , 26 ], phytobiotics [ 2 , 3 , 13 , 20 , 21 ] and plant extracts [ 8 , 9 , 14 , 23 ]. Consequently, the aim of our study was to assess complex phytobiotic feed additives (CPFA) and their combined effect on the productivity, meat performance and blood picture of broiler chickens.…”

Role of Dietary Inclusion of Phytobiotics and Mineral Adsorbent Combination on Dairy Cows′ Milk Production, Nutrient Digestibility, Nitrogen Utilization, and Biochemical Parameters

“…Currently, there is a decrease in genetic variability both within and between breeds. Low production is a key factor in the loss of small breeds, as they are replaced by highly productive international cross-border breeds [ 14 , 15 , 16 ].…”