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  1. Article ; Online: Effects of a mixture of phytobiotic-rich herbal extracts on growth performance, blood metabolites, rumen fermentation, and bacterial population of dairy calves.

    Jahani-Azizabadi, H / Baraz, H / Bagheri, N / Ghaffari, M H

    Journal of dairy science

    2022  Volume 105, Issue 6, Page(s) 5062–5073

    Abstract: Forty-eight newborn Holstein dairy calves [40 ± 3.4 (SD) of kg of body weight (BW); 24 females and 24 males] were used in a completely randomized design to investigate the effects of a mixture of phytobiotic-rich herbal extract (Immunofin, IMPE) ... ...

    Abstract Forty-eight newborn Holstein dairy calves [40 ± 3.4 (SD) of kg of body weight (BW); 24 females and 24 males] were used in a completely randomized design to investigate the effects of a mixture of phytobiotic-rich herbal extract (Immunofin, IMPE) incorporated into milk on performance, ruminal fermentation, bacterial population, and serum biochemical metabolites during the preweaning period. Calves had free access to calf starter and clean water from d 6 until weaning. The treatments were the control (CON; without additive) and IMPE at 4, 8, and 12 mL/d. The treatments had no significant effect on total dry matter intake, weight gain, and BW at weaning. The incidence of diarrhea was lower in calves fed 8 mL of IMPE/d compared with CON. At weaning, body measurements (except for front leg circumference) were not affected by IMPE treatment. Relative to the CON group, front leg circumference was significantly decreased by IMPE supplementation. Serum IgG concentration was not significantly increased by IMPE supplementation compared with the CON group. Triglyceride concentration decreased in calves receiving 4, 8, and 12 mL/d of IMPE compared with the CON groups. In contrast to the CON group, serum albumin and total serum protein concentrations increased with IMPE supplementation. Calves receiving 4 mL/d of IMPE had a greater abundance of total bacteria, Ruminococcus albus, Ruminococcus flavefaciens, and Fibrobacter succinogenes compared with the other treatments. Molar proportions of acetate increased in calves fed IMPE (at 12 mL/d) compared with calves fed CON. Ruminal N-NH
    MeSH term(s) Animal Feed/analysis ; Animals ; Body Weight ; Cattle ; Diet/veterinary ; Female ; Fermentation ; Male ; Plant Extracts/metabolism ; Plant Extracts/pharmacology ; Rumen/metabolism ; Weaning
    Chemical Substances Plant Extracts
    Language English
    Publishing date 2022-03-26
    Publishing country United States
    Document type Journal Article
    ZDB-ID 242499-x
    ISSN 1525-3198 ; 0022-0302
    ISSN (online) 1525-3198
    ISSN 0022-0302
    DOI 10.3168/jds.2021-20687
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.B 810: Show issues Location:
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    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
    ab Jg. 2022: Lesesaal (EG)

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  2. Article: Effects of a mixture of phytobiotic-rich herbal extracts on growth performance, blood metabolites, rumen fermentation, and bacterial population of dairy calves

    Jahani-Azizabadi, H. / Baraz, H. / Bagheri, N. / Ghaffari, M.H.

    American Dairy Science Association Journal of dairy science. 2022 Jan. 05,

    2022  

    Abstract: Forty-eight newborn Holstein dairy calves [40 ± 3.4 (SD) of kg of body weight (BW); 24 females and 24 males] were used in a completely randomized design to investigate the effects of a mixture of phytobiotic-rich herbal extract (Immunofin, IMPE) ... ...

    Abstract Forty-eight newborn Holstein dairy calves [40 ± 3.4 (SD) of kg of body weight (BW); 24 females and 24 males] were used in a completely randomized design to investigate the effects of a mixture of phytobiotic-rich herbal extract (Immunofin, IMPE) incorporated into milk on performance, ruminal fermentation, bacterial population, and serum biochemical metabolites during the preweaning period. Calves had free access to calf starter and clean water from d 6 until weaning. The treatments were the control (CON; without additive) and IMPE at 4, 8, and 12 mL/d. The treatments had no significant effect on total dry matter intake, weight gain, and BW at weaning. The incidence of diarrhea was lower in calves fed 8 mL of IMPE/d compared with CON. At weaning, body measurements (except for front leg circumference) were not affected by IMPE treatment. Relative to the CON group, front leg circumference was significantly decreased by IMPE supplementation. Serum IgG concentration was not significantly increased by IMPE supplementation compared with the CON group. Triglyceride concentration decreased in calves receiving 4, 8, and 12 mL/d of IMPE compared with the CON groups. In contrast to the CON group, serum albumin and total serum protein concentrations increased with IMPE supplementation. Calves receiving 4 mL/d of IMPE had a greater abundance of total bacteria, Ruminococcus albus, Ruminococcus flavefaciens, and Fibrobacter succinogenes compared with the other treatments. Molar proportions of acetate increased in calves fed IMPE (at 12 mL/d) compared with calves fed CON. Ruminal N-NH₃ concentrations decreased linearly with the increase in IMPE supplementation. The results of the present study suggest that the addition of IMPE to milk may improve some health and immunity conditions, blood metabolite concentrations, and increase the abundance of some cellulolytic bacteria in the rumen of Holstein dairy calves. The use of IMPE may be an alternative to feeding antibiotics at subtherapeutic concentrations to improve calf health and immunity status.
    Keywords Fibrobacter succinogenes ; Holstein ; Ruminococcus albus ; Ruminococcus flavefaciens ; acetates ; blood serum ; body weight ; dairy science ; diarrhea ; dry matter intake ; fermentation ; growth performance ; immunity ; metabolites ; milk ; neonates ; rumen fermentation ; serum albumin ; triacylglycerols ; weight gain
    Language English
    Dates of publication 2022-0105
    Publishing place Elsevier Inc.
    Document type Article
    Note Pre-press version
    ZDB-ID 242499-x
    ISSN 1525-3198 ; 0022-0302
    ISSN (online) 1525-3198
    ISSN 0022-0302
    DOI 10.3168/jds.2021-20687
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Bonn / Germany

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  3. Article: Effects of a specific blend of essential oils on apparent nutrient digestion, rumen fermentation and rumen microbial populations in sheep fed a 50:50 alfalfa hay:concentrate diet.

    Khateri, N / Azizi, O / Jahani-Azizabadi, H

    Asian-Australasian journal of animal sciences

    2016  Volume 30, Issue 3, Page(s) 370–378

    Abstract: Objective: An experiment was conducted to investigate the effects of a specific mixture of essential oils (MEO), containing thyme, clove and cinnamon EO, on rumen microbial fermentation, nutrient apparent digestibility and blood metabolites in ... ...

    Abstract Objective: An experiment was conducted to investigate the effects of a specific mixture of essential oils (MEO), containing thyme, clove and cinnamon EO, on rumen microbial fermentation, nutrient apparent digestibility and blood metabolites in fistulated sheep.
    Methods: Six sheep fitted with ruminal fistulas were used in a repeated measurement design with two 24-d periods to investigate the effect of adding MEO at 0 (control), 0.8, and 1.6 mL/d on apparent nutrient digestibility, rumen fermentation characteristics, rumen microbial population and blood chemical metabolites. Animals were fed with a 50:50 alfalfa hay:concentrate diet.
    Results: Ruminal pH, total volatile fatty acids (VFA) concentration, molar proportion of individual VFA, acetate: propionate ratio and methane production were not affected with MEO. Relative to the control, Small peptides plus amino acid nitrogen and large peptides nitrogen concentration in rumen fluid were not affected with MEO supplementation; while, rumen fluid ammonia nitrogen concentration at 0 and 6 h after morning feeding in sheep fed with 1.6 mL/d of MEO was lower (p<0.05) compared to the control and 0.8 mL/d of MEO. At 0 h after morning feeding, ammonia nitrogen concentration was higher (p<0.05) in sheep fed 0.8 mL/d of MEO relative to 1.6 mL/d and control diet. Ruminal protozoa and hyper ammonia producing (HAP) bacteria counts were not affected by addition of MEO in the diet. Relative to the control, no changes were observed in the red and white blood cells, hemoglobin, hematocrit, glucose, beta-hydroxybutyric acid, cholesterol, total protein, albumin, blood urea nitrogen and aspartate aminotransferase and alanine aminotransferase concentration. Apparent total tract digestibility of dry matter, crude proten, organic matter, and neutral detergent fiber were not influenced by MEO supplementation.
    Conclusion: The results of the present study suggested that supplementation of MEO may have limited effects on apparent nutrient digestibility, ruminal fermentation and protozoa and HAP bacteria count, blood cells and metabolites.
    Language English
    Publishing date 2016-01-18
    Publishing country Korea (South)
    Document type Journal Article
    ZDB-ID 743671-3
    ISSN 1976-5517 ; 1011-2367
    ISSN (online) 1976-5517
    ISSN 1011-2367
    DOI 10.5713/ajas.15.0865
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

    Z 4878: Show issues

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  4. Article: Effects of Soybean and Linseed Oils Calcium Salts and Starter Protein Content on Growth Performance, Immune Response, and Nitrogen Utilization Efficiency in Holstein Dairy Calves.

    Rajabi, Ardashir / Fattahnia, Farshid / Shamsollahi, Mohammad / Jahani-Azizabadi, Hossein / Khalilvandi-Behroozyar, Hamed / Pezeshki, Adel / Kazemi-Bonchenari, Mehdi

    Animals : an open access journal from MDPI

    2023  Volume 13, Issue 6

    Abstract: This study aimed to investigate the interaction of fatty acid (FA) source [calcium salt of soybean oil (n-6 FA) vs. calcium salt of linseed oil (n-3 FA) both 3% DM basis] with protein content (18% vs. 22% CP, based on DM) on growth performance, blood ... ...

    Abstract This study aimed to investigate the interaction of fatty acid (FA) source [calcium salt of soybean oil (n-6 FA) vs. calcium salt of linseed oil (n-3 FA) both 3% DM basis] with protein content (18% vs. 22% CP, based on DM) on growth performance, blood metabolites, immune function, skeletal growth indices, urinary purine derivatives (PD), and microbial protein synthesis (MPS) in young dairy calves. Forty 3-day-old calves (20 females and 20 males) with a starting body weight (BW) of 40.2 kg were assigned in a completely randomized block design in a 2 × 2 factorial arrangement of treatments. Experimental diets were: (1) n-6 FA with 18% CP (n-6-18CP), (2) n-6 FA with 22% CP (n-6-22CP), (3) n-3 FA with 18% CP (n-3-18CP), and (4) n-3 FA with 22% CP (n-3-22CP). Starter feed intake and average daily gain (ADG) were not influenced by experimental diets (
    Language English
    Publishing date 2023-03-07
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2606558-7
    ISSN 2076-2615
    ISSN 2076-2615
    DOI 10.3390/ani13060960
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Simultaneous use of thyme essential oil and disodium fumarate can improve

    Baraz, Hiwa / Jahani-Azizabadi, Hossein / Azizi, Osman

    Veterinary research forum : an international quarterly journal

    2018  Volume 9, Issue 2, Page(s) 193–198

    Abstract: Two trials were conducted to investigate the effects of disodium fumarate (DSF; 0.00, 8.00, 10.00 and 12.00 mM) and thyme essential oil (TEO; 0.00, 100.00, 200.00, 300.00 and 400.00 µL ... ...

    Abstract Two trials were conducted to investigate the effects of disodium fumarate (DSF; 0.00, 8.00, 10.00 and 12.00 mM) and thyme essential oil (TEO; 0.00, 100.00, 200.00, 300.00 and 400.00 µL L
    Language English
    Publishing date 2018-06-15
    Publishing country Iran
    Document type Journal Article
    ISSN 2008-8140
    ISSN 2008-8140
    DOI 10.30466/VRF.2018.30828
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Effects of different processing methods of flaxseed on ruminal degradability and in vitro post-ruminal nutrient disappearance.

    Lashkari, Saman / Azizi, Osman / Jahani-Azizabadi, Hossein

    Archives of animal nutrition

    2015  Volume 69, Issue 3, Page(s) 177–186

    Abstract: The aim of the study was to determine the effects of different heat-processing methods of flaxseed on the in situ effective dry matter degradability (EDMD) and the in situ effective crude protein degradability (ECPD). The treatments included roasting, ... ...

    Abstract The aim of the study was to determine the effects of different heat-processing methods of flaxseed on the in situ effective dry matter degradability (EDMD) and the in situ effective crude protein degradability (ECPD). The treatments included roasting, steep roasting, rolled roasting, rolled steep roasting, microwave irradiation and extrusion. Three rumen-fistulated sheep were used for in situ incubations. Furthermore, the effects of heat-processing methods on post-ruminal in vitro nutrient disappearance and total tract disappearance were measured by a three-step in vitro technique. The seeds were roasted and extruded at 140°C to 145°C. One lot of roasted seeds was gradually cooled for about 1 h (roasting) and another lot was held in temperature isolated barrels for 45 min (steep roasting). Moreover, roasted and steep roasted flaxseed was rolled in a roller mill. The lowest and highest EDMD was observed for unheated and extruded flaxseed, respectively (p < 0.05). The highest ECPD was observed for extruded flaxseed (p < 0.05). Roasting and microwave irradiation reduced ECPD of flaxseed (p < 0.05). In vitro post-ruminal disappearance of crude nutrients including fibre fractions was highest for rolled-roasted and rolled steep-roasted flaxseed (p < 0.05). The lowest and highest total tract disappearance rates of crude nutrients and fibre fractions were estimated for unheated and extruded flaxseed, respectively (p < 0.05). The post-ruminal disappearance of crude nutrients was also increased by roasting, in which rolling enhanced this effect. In conclusion, all investigated heat treatments had significant effects on in situ and in vitro degradability of nutrients. As well, rolling of roasted flaxseed enhanced the respective effects. Therefore, different methods of heat processing can be used to modify the feed value of flaxseed for specific purposes.
    MeSH term(s) Animal Feed/analysis ; Animal Nutritional Physiological Phenomena ; Animals ; Diet/veterinary ; Dietary Proteins/metabolism ; Digestion ; Flax ; Food Technology ; Male ; Rumen/metabolism ; Seeds ; Sheep/physiology
    Chemical Substances Dietary Proteins
    Language English
    Publishing date 2015
    Publishing country England
    Document type Journal Article
    ZDB-ID 395538-2
    ISSN 1477-2817 ; 1745-039X ; 0003-942X
    ISSN (online) 1477-2817
    ISSN 1745-039X ; 0003-942X
    DOI 10.1080/1745039X.2015.1034520
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

    Z 848: Show issues

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  7. Article: Effects of different processing methods of flaxseed on ruminal degradability and in vitro post-ruminal nutrient disappearance

    Lashkari, Saman / Azizi, Osman / Jahani-Azizabadi, Hossein

    Archives of animal nutrition

    Volume v. 69,, Issue no. 3

    Abstract: The aim of the study was to determine the effects of different heat-processing methods of flaxseed on the in situ effective dry matter degradability (EDMD) and the in situ effective crude protein degradability (ECPD). The treatments included roasting, ... ...

    Abstract The aim of the study was to determine the effects of different heat-processing methods of flaxseed on the in situ effective dry matter degradability (EDMD) and the in situ effective crude protein degradability (ECPD). The treatments included roasting, steep roasting, rolled roasting, rolled steep roasting, microwave irradiation and extrusion. Three rumen-fistulated sheep were used for in situ incubations. Furthermore, the effects of heat-processing methods on post-ruminal in vitro nutrient disappearance and total tract disappearance were measured by a three-step in vitro technique. The seeds were roasted and extruded at 140°C to 145°C. One lot of roasted seeds was gradually cooled for about 1 h (roasting) and another lot was held in temperature isolated barrels for 45 min (steep roasting). Moreover, roasted and steep roasted flaxseed was rolled in a roller mill. The lowest and highest EDMD was observed for unheated and extruded flaxseed, respectively (p < 0.05). The highest ECPD was observed for extruded flaxseed (p < 0.05). Roasting and microwave irradiation reduced ECPD of flaxseed (p < 0.05). In vitro post-ruminal disappearance of crude nutrients including fibre fractions was highest for rolled-roasted and rolled steep-roasted flaxseed (p < 0.05). The lowest and highest total tract disappearance rates of crude nutrients and fibre fractions were estimated for unheated and extruded flaxseed, respectively (p < 0.05). The post-ruminal disappearance of crude nutrients was also increased by roasting, in which rolling enhanced this effect. In conclusion, all investigated heat treatments had significant effects on in situ and in vitro degradability of nutrients. As well, rolling of roasted flaxseed enhanced the respective effects. Therefore, different methods of heat processing can be used to modify the feed value of flaxseed for specific purposes.
    Keywords nutrients ; roasting ; rolling ; barrels ; heat treatment ; linseed ; crude protein ; nutritive value ; sheep ; seeds ; microwave radiation ; extrusion ; temperature
    Language English
    Document type Article
    ISSN 1477-2817
    Database AGRIS - International Information System for the Agricultural Sciences and Technology

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