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  1. AU="Dellaqua, João V T"
  2. AU="Giannone, Giulio"
  3. AU="Olea-Jiménez, V."
  4. AU="Lund, Mogens Sandø"
  5. AU="Rocha, Clarissa A Gurgel"
  6. AU="Pfahler, Verena"
  7. AU="Baltussen, Joosje C"
  8. AU="Lei-Shen"
  9. AU="Baeuchl, Christian"
  10. AU="Terra RM (Instituto Do Câncer De Estado De São Paulo). Bulgaria: Sokolov M (University Hospital Alexandrovska)., Canada: Kidane B" AU="Terra RM (Instituto Do Câncer De Estado De São Paulo). Bulgaria: Sokolov M (University Hospital Alexandrovska)., Canada: Kidane B"
  11. AU="KIRKUP, DON"
  12. AU="Phan, Isabelle"
  13. AU="García-Carrera, Inés"
  14. AU=Rude Robert K
  15. AU="Ferragalli, Beatrice"
  16. AU="Negrão Ferreira, Fabielle"
  17. AU="Acin, Yolène"
  18. AU="Zarrintan, Armin"
  19. AU="Anne Schedel"
  20. AU="Youngmin Bu"
  21. AU="Edriss, Fatima"
  22. AU="Liu, Changxue"
  23. AU="Spruit, Martijn A"
  24. AU="Zhang, Dai-Gui"
  25. AU="Appelen, Diebrecht"
  26. AU="Moreira, Jânio Cordeiro"

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  1. Artikel: Impact of combined management strategies of monensin and virginiamycin in high energy diets on ruminal fermentation and nutrients utilization.

    Dellaqua, João V T / Rigueiro, André L N / Silvestre, Antonio M / Pereira, Murilo C S / Felizari, Luana D / Demartini, Breno L / Dias, Evandro F F / Silva, Leandro A F / Casali, Daniel M / Souza, Katia L R / Souza, Johnny M / Millen, Danilo D

    Frontiers in veterinary science

    2024  Band 11, Seite(n) 1325198

    Abstract: Feed additives such as monensin (MON) and virginiamycin (VM) are commonly utilized in feedlot diets to enhance rumen fermentation. Nevertheless, the precise effects of combining MON and VM during specific feedlot periods and the advantages of this ... ...

    Abstract Feed additives such as monensin (MON) and virginiamycin (VM) are commonly utilized in feedlot diets to enhance rumen fermentation. Nevertheless, the precise effects of combining MON and VM during specific feedlot periods and the advantages of this combination remain unclear. This study was designed to investigate the effects of withdrawal of MON when associated with VM during the adaptation and finishing periods on ruminal metabolism, feeding behavior, and nutrient digestibility in Nellore cattle. The experimental design was a 5 × 5 Latin square, where each period lasted 28 days. Five rumen-cannulated Nellore yearling bulls were used (414,86 ± 21,71 kg of body weight), which were assigned to five treatments: (1) MON during the entire feeding period; (2) VM during the entire feeding period; (3) MON + VM during the adaptation period and only VM during the finishing period 1 and 2; (4) MON + VM during the entire feeding period; (5) MON + VM during the adaptation and finishing period 1 and only VM during the finishing period 2. For the finishing period 1, animals fed T3 had improved potential degradability of dry matter (
    Sprache Englisch
    Erscheinungsdatum 2024-03-28
    Erscheinungsland Switzerland
    Dokumenttyp Journal Article
    ZDB-ID 2834243-4
    ISSN 2297-1769
    ISSN 2297-1769
    DOI 10.3389/fvets.2024.1325198
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  2. Artikel: Withdrawal of sodium monensin when associated with virginiamycin during adaptation and finishing periods on feedlot performance, feeding behavior, carcass, rumen, and cecum morphometrics characteristics of Nellore cattle.

    Rigueiro, André L N / Pereira, Murilo C S / Silvestre, Antonio M / Pinto, Ana Carolina J / Felizari, Luana D / Dias, Evandro F F / Demartini, Breno L / Estevam, Daniela D / Dellaqua, João V T / Souza, Katia L R / Silva, Leandro A F / Nunes, Ana B P C / Souza, Johnny M / Millen, Danilo D

    Frontiers in veterinary science

    2023  Band 10, Seite(n) 1067434

    Abstract: Feed additives such as monensin (MON) and virginiamycin (VM) are widely used in feedlots diets to maximize rumen fermentation. However, the knowledge about the effects of MON and VM combinations in specifics feedlot periods and the benefits of this ... ...

    Abstract Feed additives such as monensin (MON) and virginiamycin (VM) are widely used in feedlots diets to maximize rumen fermentation. However, the knowledge about the effects of MON and VM combinations in specifics feedlot periods and the benefits of this association are still unclear. This study aimed to evaluate the effects of withdrawal of MON when associated with VM during the adaptation and finishing periods on feedlot performance of Nellore cattle. The experiment was designed as a completely randomized block replicated six times (four animals/pen) in which 120 Nellore bulls (378.4 ± 24.4 kg) were allocated in 30 pens and fed for 112 days according to the following treatments: (T1) MON during the entire feeding period; (T2) VM during the entire feeding period; (T3) MON+VM during the adaptation period and only VM during the finishing period 1 and 2; (T4) MON+VM during the entire feeding period; (T5) MON+VM during the adaptation and finishing period 1 and only VM during the finishing period 2. After 112 days on feed, no treatment effect was observed for DMI (
    Sprache Englisch
    Erscheinungsdatum 2023-01-24
    Erscheinungsland Switzerland
    Dokumenttyp Journal Article
    ZDB-ID 2834243-4
    ISSN 2297-1769
    ISSN 2297-1769
    DOI 10.3389/fvets.2023.1067434
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  3. Artikel ; Online: Time required by different anthelmintics to reach expected efficacy levels in horses infected by strongyles.

    Saes, Isabela de Lima / Vera, João H S / Fachiolli, Daniele F / Yamada, Paulo H / Dellaqua, João V T / Saes, Rafaela de Lima / Amarante, Alessandro F T / Soutello, Ricardo V G

    Veterinary parasitology

    2016  Band 229, Seite(n) 90–92

    Abstract: The aim of this study was to determine the time required by different anthelmintic agents to reduce strongyle egg shedding in horses. Fifty horses were divided into five homogenous groups based on faecal egg counts (FECs). Treatment groups received ... ...

    Abstract The aim of this study was to determine the time required by different anthelmintic agents to reduce strongyle egg shedding in horses. Fifty horses were divided into five homogenous groups based on faecal egg counts (FECs). Treatment groups received either ivermectin; moxidectin; fenbendazole; piperazine; or no treatment (control group). Faecal examinations were performed 4, 8, 12, 18, 24, 36 and 48h after the anthelmintic treatment. After this period, faecal samples were taken every 24h over the next 12days and finally on alternate days (48-h intervals) for another 14days until the end of the experiment (28days post-treatment). The faecal egg count reduction (FECR) was calculated based on the post-treatment mean FECs in the controls and treated animals. Eggs were absent from the faecal examinations beginning at 72h and 4days, respectively, following treatment with moxidectin or ivermectin. Piperazine showed an FECR greater than 95% from 48h up to 9days post-treatment, with the highest FECR value recorded at 7days post-treatment (98.1%). However, the FECR was lower than 90% in the last two samplings (26 and 28days post-treatment). The febendazole group presented the lowest efficacy with FECR below 90% in all samplings. The faecal cultures showed that at the beginning of the trial, all of the groups presented with mixed infections and were predominantly composed of cyathostomins (92.8%), followed by Strongylus vulgaris (5.6%) and Triodontophorus serratus (1.6%). Only cyathostomin larvae were identified following treatment with fenbendazole or piperazine. In conclusion, horses in the present study had a segment of the cyathostomin population with resistance to fenbendazole and piperazine. The strongyle population was susceptible to macrocyclic lactones, with cessation in egg shedding three and four days after treatment with moxidectin and ivermectin, respectively.
    Mesh-Begriff(e) Animals ; Anthelmintics/pharmacokinetics ; Anthelmintics/therapeutic use ; Feces/parasitology ; Female ; Horses ; Male ; Parasite Egg Count/veterinary ; Strongyle Infections, Equine/drug therapy
    Chemische Substanzen Anthelmintics
    Sprache Englisch
    Erscheinungsdatum 2016-10-15
    Erscheinungsland Netherlands
    Dokumenttyp Controlled Clinical Trial ; Journal Article
    ZDB-ID 196831-2
    ISSN 1873-2550 ; 0304-4017
    ISSN (online) 1873-2550
    ISSN 0304-4017
    DOI 10.1016/j.vetpar.2016.10.002
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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