P Lacasse

Summary

Affiliation: Agriculture and Agri-Food Canada
Country: Canada

Publications

  1. ncbi request reprint Iodine concentration in milk sampled from Canadian farms
    S I Borucki Castro
    Dairy and Swine Research and Development Centre, Agriculture and Agri Food Canada, Sherbrooke, Quebec, Canada
    J Food Prot 73:1658-63. 2010
  2. doi request reprint Local control of mammary involution: is stanniocalcin-1 involved?
    G Tremblay
    Departement de Biologie, Faculte des Sciences, Universite de Sherbrooke, Sherbrooke, Quebec, Canada J1K 2R1
    J Dairy Sci 92:1998-2006. 2009
  3. doi request reprint New developments on the galactopoietic role of prolactin in dairy ruminants
    P Lacasse
    Dairy and Swine Research and Development Centre, Agriculture and Agri Food Canada, Sherbrooke, J1M 0C8 Quebec, Canada
    Domest Anim Endocrinol 43:154-60. 2012
  4. doi request reprint Effect of the prolactin-release inhibitor quinagolide on lactating dairy cows
    P Lacasse
    Dairy and Swine Research and Development Centre, Agriculture and Agri Food Canada, PO Box 90 STN Lennoxville, Sherbrooke, Quebec, Canada J1M 1Z3
    J Dairy Sci 94:1302-9. 2011
  5. ncbi request reprint Utilization of lactoferrin to fight antibiotic-resistant mammary gland pathogens
    P Lacasse
    Agriculture and Agri Food Canada, Dairy and Swine Research and Development Centre, PO Box 90 STN Lennoxville, Sherbrooke, Quebec, Canada J1M 1Z3
    J Anim Sci 86:66-71. 2008
  6. ncbi request reprint Mammary blood flow does not limit milk yield in lactating goats
    P Lacasse
    Dairy and Swine Research and Development Centre, Agriculture Agri Food Canada, P O Box 90, 2000 Route 108 East, Lennoxville, Quebec, J1M 1Z3, Canada
    J Dairy Sci 86:2094-7. 2003
  7. ncbi request reprint Efficacy of a lactoferrin-penicillin combination to treat {beta}-lactam-resistant Staphylococcus aureus mastitis
    D Petitclerc
    Crea Biopharma Inc, Sherbrooke, Quebec, Canada J1E 4K8
    J Dairy Sci 90:2778-87. 2007
  8. doi request reprint Effect of milking frequency on lactation persistency and mammary gland remodeling in mid-lactation cows
    P Bernier-Dodier
    Departement de Biologie, Faculte des Sciences, Universite de Sherbrooke, Sherbrooke, Quebec, Canada J1K 2R1
    J Dairy Sci 93:555-64. 2010
  9. doi request reprint Serum levels of stanniocalcin-1 in Holstein heifers and cows
    G Tremblay
    Departement de Biologie, Faculte des Sciences, Universite de Sherbrooke, Quebec, Canada
    Domest Anim Endocrinol 36:105-9. 2009
  10. ncbi request reprint Deferoxamine reduces tissue damage during endotoxin-induced mastitis in dairy cows
    K Lauzon
    Dairy and Swine Research and Development Centre, Agriculture and Agri Food Canada, PO Box 90 STN Lennoxville, 2000 College Street, Sherbrooke, Quebec, Canada J1M 1Z3
    J Dairy Sci 89:3846-57. 2006

Collaborators

Detail Information

Publications31

  1. ncbi request reprint Iodine concentration in milk sampled from Canadian farms
    S I Borucki Castro
    Dairy and Swine Research and Development Centre, Agriculture and Agri Food Canada, Sherbrooke, Quebec, Canada
    J Food Prot 73:1658-63. 2010
    ..In conclusion, Canadian milk iodine concentration varies considerably and appears to be influenced by feeding and milking practices...
  2. doi request reprint Local control of mammary involution: is stanniocalcin-1 involved?
    G Tremblay
    Departement de Biologie, Faculte des Sciences, Universite de Sherbrooke, Sherbrooke, Quebec, Canada J1K 2R1
    J Dairy Sci 92:1998-2006. 2009
    ..65). This study shows for the first time that STC-1 in milk is increased following milk stasis, although its exact role in the involution process remains to be clarified...
  3. doi request reprint New developments on the galactopoietic role of prolactin in dairy ruminants
    P Lacasse
    Dairy and Swine Research and Development Centre, Agriculture and Agri Food Canada, Sherbrooke, J1M 0C8 Quebec, Canada
    Domest Anim Endocrinol 43:154-60. 2012
    ..In conclusion, these data, combined with data from other studies, provide a good body of evidence indicating that PRL is galactopoietic in dairy cows. However, the response to PRL appears to be modulated at the mammary gland level...
  4. doi request reprint Effect of the prolactin-release inhibitor quinagolide on lactating dairy cows
    P Lacasse
    Dairy and Swine Research and Development Centre, Agriculture and Agri Food Canada, PO Box 90 STN Lennoxville, Sherbrooke, Quebec, Canada J1M 1Z3
    J Dairy Sci 94:1302-9. 2011
    ..The effect is likely the result of the reduced release of milking-induced PRL and is modulated at the level of the gland by milking frequency...
  5. ncbi request reprint Utilization of lactoferrin to fight antibiotic-resistant mammary gland pathogens
    P Lacasse
    Agriculture and Agri Food Canada, Dairy and Swine Research and Development Centre, PO Box 90 STN Lennoxville, Sherbrooke, Quebec, Canada J1M 1Z3
    J Anim Sci 86:66-71. 2008
    ..3%) compared with penicillin alone (12.5%). In conclusion, bLf added to penicillin is an effective combination for the treatment of stable S. aureus infections resistant to beta-lactam antibiotics...
  6. ncbi request reprint Mammary blood flow does not limit milk yield in lactating goats
    P Lacasse
    Dairy and Swine Research and Development Centre, Agriculture Agri Food Canada, P O Box 90, 2000 Route 108 East, Lennoxville, Quebec, J1M 1Z3, Canada
    J Dairy Sci 86:2094-7. 2003
    ..Similarly, protein, fat and lactose yields were not affected by PBS or NONate infusion. These results provide no support to the contention that increasing MBF can enhance milk production...
  7. ncbi request reprint Efficacy of a lactoferrin-penicillin combination to treat {beta}-lactam-resistant Staphylococcus aureus mastitis
    D Petitclerc
    Crea Biopharma Inc, Sherbrooke, Quebec, Canada J1E 4K8
    J Dairy Sci 90:2778-87. 2007
    ..3%) compared with PG alone (12.5%). In conclusion, bLF added to PG is an effective combination (i.e., 3- to 5-times higher cure rate) for the treatment of stable Staph. aureu infections highly resistant to beta-lactam antibiotics...
  8. doi request reprint Effect of milking frequency on lactation persistency and mammary gland remodeling in mid-lactation cows
    P Bernier-Dodier
    Departement de Biologie, Faculte des Sciences, Universite de Sherbrooke, Sherbrooke, Quebec, Canada J1K 2R1
    J Dairy Sci 93:555-64. 2010
    ..Taken together, these data suggest that milking frequency not only affects mammary gland remodeling and the expression of paracrine factors but also modulates hormone sensitivity...
  9. doi request reprint Serum levels of stanniocalcin-1 in Holstein heifers and cows
    G Tremblay
    Departement de Biologie, Faculte des Sciences, Universite de Sherbrooke, Quebec, Canada
    Domest Anim Endocrinol 36:105-9. 2009
    ..The highest levels of stanniocalcin-1 were found in young calves and during the non-lactating period preceding calving. This suggests that stanniocalcin-1 is important for gestation and the preparation of the mammary gland for lactation...
  10. ncbi request reprint Deferoxamine reduces tissue damage during endotoxin-induced mastitis in dairy cows
    K Lauzon
    Dairy and Swine Research and Development Centre, Agriculture and Agri Food Canada, PO Box 90 STN Lennoxville, 2000 College Street, Sherbrooke, Quebec, Canada J1M 1Z3
    J Dairy Sci 89:3846-57. 2006
    ..Overall, our results suggest that local infusion of deferoxamine may be an effective tool to protect mammary tissue against neutrophil-induced oxidative stress during bovine mastitis...
  11. ncbi request reprint Antioxidants to prevent bovine neutrophil-induced mammary epithelial cell damage
    K Lauzon
    Dairy and Swine Research and Development Centre, Agriculture and Agri Food Canada, Lennoxville, Quebec, J1M 1Z3, Canada
    J Dairy Sci 88:4295-303. 2005
    ..Overall, our results suggest that antioxidants may be effective tools for protecting mammary tissue against neutrophil-induced oxidative stress during bovine mastitis...
  12. doi request reprint Effects of iodine intake and teat-dipping practices on milk iodine concentrations in dairy cows
    S I Borucki Castro
    Dairy and Swine Research and Development Centre, Agriculture and Agri Food Canada, Sherbrooke, QC, Canada
    J Dairy Sci 95:213-20. 2012
    ..Predipping teats with an iodine-based sanitizer is an acceptable practice, but must be performed with the appropriate product and completely wiped off before milking...
  13. doi request reprint Effect of prolactin-release inhibition on milk production and mammary gland involution at drying-off in cows
    S Ollier
    Dairy and Swine Research and Development Centre, Agriculture and Agri Food Canada, Sherbrooke, Quebec, Canada J1M 0C8
    J Dairy Sci 96:335-43. 2013
    ..This experiment shows that inhibition of PRL release decreases milk production of cows in late lactation. Changes in the composition of mammary secretions suggest that this approach also hastens mammary gland involution...
  14. doi request reprint The effect of incomplete milking or nursing on milk production, blood metabolites, and immune functions of dairy cows
    E Carbonneau
    Departement de Biologie, Faculte des Sciences, Universite de Sherbrooke, Sherbrooke, QC, Canada, J1K 2R1
    J Dairy Sci 95:6503-12. 2012
    ..Reducing milk harvest postpartum while maintaining milking stimuli reduced metabolic stress without compromising productivity of high-yielding dairy cows...
  15. ncbi request reprint Proteases involved in mammary tissue damage during endotoxin-induced mastitis in dairy cows
    J Mehrzad
    Dairy and Swine Research and Development Centre, Agriculture and Agri Food Canada, Lennoxville, QC, J1M 1Z3, Canada
    J Dairy Sci 88:211-22. 2005
    ..These results suggest that proteases released by PMN are actively involved in udder tissue damage during mastitis...
  16. ncbi request reprint Effect of stage of lactation and parity on mammary gland cell renewal
    N Miller
    Departement de Biologie, Faculte des Sciences, Universite de Sherbrooke, Sherbrooke, Quebec, Canada J1K 2R1
    J Dairy Sci 89:4669-77. 2006
    ..Milk STC content increased with advancing lactation. The results are consistent with a lower degree of differentiation and a greater capacity for cell renewal in the mammary gland of primiparous cows...
  17. doi request reprint Impact of postpartum milking frequency on the immune system and the blood metabolite concentration of dairy cows
    M C Loiselle
    Department of Biology, Faculty of Sciences, University of Sherbrooke, Sherbrooke, Quebec, Canada, J1K 2R1
    J Dairy Sci 92:1900-12. 2009
    ..In conclusion, limiting milk production in early lactation had positive effects on metabolite concentration, but larger studies are necessary to establish if this could reduce disease incidence...
  18. doi request reprint Short communication: Feed iodine concentrations on farms with contrasting levels of iodine in milk
    S I Borucki Castro
    Dairy and Swine Research and Development Centre, Agriculture and Agri Food Canada, Sherbrooke, QC, Canada
    J Dairy Sci 94:4684-9. 2011
    ..More than 85% of the farms tested were feeding iodine levels higher than the dietary iodine recommendations (0.5 mg of iodine/kg of DM). Iodine supplements should be used with caution in lactating cow diets...
  19. ncbi request reprint Effect of postcalving serum nonesterified fatty acids concentration on the functionality of bovine immune cells
    C Ster
    Dairy and Swine Research and Development Centre, Agriculture and Agri Food Canada, 2000 College, Sherbrooke, QC, Canada J1M 0C8
    J Dairy Sci 95:708-17. 2012
    ..In conclusion, several immune cell functions appear affected by the NEFA concentration. Therefore, strategies that prevent increases in blood NEFA during the transition period may limit postpartum immunosuppression...
  20. ncbi request reprint Milk fatty acid composition and mammary lipid metabolism in Holstein cows fed protected or unprotected canola seeds
    L Delbecchi
    Dairy and Swine Research and Development Centre, Agriculture and Agri-Food Canada, Lennoxville, QC, Canada
    J Dairy Sci 84:1375-81. 2001
    ..Therefore, the reduced C18s:0/C18:1c9 ratio observed in milk with protected canola seeds was not due to an enhanced expression of the delta-9 desaturase in the mammary gland...
  21. ncbi request reprint Induction of nitric oxide production by bovine mammary epithelial cells and blood leukocytes
    V Boulanger
    Dairy and Swine Research and Development Centre, Agriculture and Agri-Food Canada, Lennoxville, Quebec, Canada
    J Dairy Sci 84:1430-7. 2001
    ..These results show that bovine epithelial cells and mononuclear phagocytes produce nitric oxide under inflammatory conditions and suggest that these cell populations are responsible for nitric oxide release observed during mastitis...
  22. ncbi request reprint Effect of lactoferrin in combination with penicillin on the morphology and the physiology of Staphylococcus aureus isolated from bovine mastitis
    M S Diarra
    Dairy and Swine Research and Development Centre, Agriculture and Agri Food Canada, Lennoxville, QC
    J Dairy Sci 85:1141-9. 2002
    ..These data suggest that bovine lactoferrin or lactoferricin in combination with beta-lactam antibiotics can increase the antibacterial activity of these antibiotics against S. aureus resistant to antibiotics...
  23. ncbi request reprint Short communication: suppression of estrous cycles in lactating cows has no effect on milk production
    L Delbecchi
    Dairy and Swine Research and Development Centre, Agriculture and Agri Food Canada, 2000 Rte 108 East Lennoxville, QC, Canada, J1M 1Z3
    J Dairy Sci 89:636-9. 2006
    ..Based on milk production data, the estrogen profiles associated with recurring estrous cycles apparently do not cause bovine mammary tissue to undergo gradual involution...
  24. ncbi request reprint Response of Staphylococcus aureus isolates from bovine mastitis to exogenous iron sources
    M S Diarra
    Dairy and Swine Research and Development Centre, Agriculture and Agri Food Canada, Lennoxville, QC, Canada
    J Dairy Sci 85:2141-8. 2002
    ..Possible functions of these lactoferrin-binding proteins could not be related to iron acquisition mechanism in S. aureus...
  25. ncbi request reprint Mammary tissue damage during bovine mastitis: causes and control
    X Zhao
    Department of Animal Science, McGill University, Ste Anne de Bellevue, Quebec, H9X 3V9, Canada
    J Anim Sci 86:57-65. 2008
    ....
  26. ncbi request reprint Effect of feeding prepubertal heifers with a high oil diet on mammary development and milk production
    C Thibault
    Dairy and Swine Research and Development Centre, Agriculture Agri Food Canada, P O Box 90, 2000 Route 108 East, Lennoxville, Quebec, J1M 1Z3, Canada
    J Dairy Sci 86:2320-6. 2003
    ..In conclusion, feeding prepubertal heifers with a high oil concentrate slightly improved the mammary development but effects were too small to be translated into better lactating performances...
  27. doi request reprint Experimental treatment of Staphylococcus aureus bovine intramammary infection using a guanine riboswitch ligand analog
    C Ster
    Centre d Étude et de Valorisation de la Diversité Microbienne CEVDM, Universite de Sherbrooke, Sherbrooke, QC, Canada
    J Dairy Sci 96:1000-8. 2013
    ..aureus guanine riboswitch represents a relevant and promising drug target for a novel class of antibiotics for the animal food industry...
  28. ncbi request reprint Effects of feed restriction and prolactin-release inhibition at drying off on metabolism and mammary gland involution in cows
    S Ollier
    Dairy and Swine Research and Development Centre, Agriculture and Agri Food Canada, Sherbrooke, Quebec, Canada J1M 0C8
    J Dairy Sci 97:4942-54. 2014
    ..In conclusion, this experiment shows that PRL-release inhibition could be a new alternative for reducing milk production before drying off and for hastening mammary gland involution without disturbing the metabolism of the cow. ..
  29. ncbi request reprint Protective effect of melatonin and catalase in bovine neutrophil-induced model of mammary cell damage
    V Boulanger
    Dairy and Swine Research and Development Centre, Agriculture Agri Food Canada, Lennoxville, Quebec
    J Dairy Sci 85:562-9. 2002
    ..Our results suggest that hydroxyl radicals released by activated bovine neutrophils cause damage to mammary epithelial cells and that antioxidants may be useful to protect the mammary tissue during bovine mastitis...
  30. doi request reprint Effect of premilking stimulation and milking frequency on milking-induced prolactin release in lactating dairy cows
    P Lacasse
    Dairy and Swine Research and Development Centre, Agriculture and Agri Food Canada, Sherbrooke, Québec J1M 0C8, Canada Electronic address
    Domest Anim Endocrinol 47:47-54. 2014
    ..This effect is due not to the number of milkings or the amount of milk harvested during the milking but to the interval since the preceding milking. ..
  31. ncbi request reprint Effect of prepartum photoperiod and melatonin feeding on milk production and prolactin concentration in dairy heifers and cows
    P Lacasse
    Dairy and Swine Research and Development Centre, Agriculture and Agri Food Canada, Sherbrooke, Quebec, Canada J1M 0C8
    J Dairy Sci 97:3589-98. 2014
    ..However, melatonin cannot be used to mimic a short-day photoperiod during the dry period. ..