Acta Vet. Brno 2018, 87: 119-126
https://doi.org/10.2754/avb201887020119
The dynamic of the ruminal content pH change and its relationship to milk composition
References
1. Ametaj BN 2014: Metabolic disorders of dairy cattle. Encyclopedia of Life Support Systems (EOLSS): Veterinary Science. Developed under the Auspices of the UNESCO, Eolss Publishers; Paris, France: 2014
2. Barber D, Anstis A, Posada V 2010: Managing for healthy rumen function. Nurition Plus, The State of Queensland, DEEDI. Available at: https://www.daf.qld.gov.au/__data/assets/pdf_file/0007/66238/Dairy-2Healthy-rumen.pdf. Accessed 15 February 2017.
3. AOAC 2000: Official methods of analysis. Washington: Association of official analytical chemist.
4. GR, Beauchemin KA, Shelford JA 2003: Fibrolytic enzymes and parity effects on feeding behavior, salivation, and ruminal pH of lactating dairy cows. J Dairy Sci 86: 565-575
<https://doi.org/10.3168/jds.S0022-0302(03)73635-2>
5. N, Carson ME, LeBlanc SJ, Leslie KE, Godden S, Capel M, Duffield TF 2012: The association of serum metabolites in the transition period with milk production and early-lactation reproductive performance. J Dairy Sci 95: 1301-1309
<https://doi.org/10.3168/jds.2011-4724>
6. MT, Erb H, Scarlett J 1993: Path analysis for seven postpartum disorders of Holstein cows. J Dairy Sci 76: 1305-1312
<https://doi.org/10.3168/jds.S0022-0302(93)77461-5>
7. AM, Li S, Andersen PH, Khafipour E, Kristensen NB, Plaizier JC 2015: Indicators of induced subacute ruminal acidosis (SARA) in Danish Holstein cows. Acta Vet Scand 57: 39
<https://doi.org/10.1186/s13028-015-0128-9>
8. APW, van den Bijgaart HJCM, Hørlyk J, de Jong G 2007: Screening for subclinical ketosis in dairy cattle by Fourier Transform Infrared Spectrometry. J Dairy Sci 90: 1761-1766
<https://doi.org/10.3168/jds.2006-203>
9. EF, Pereira MN, Nordlund KV, Armentano LE, Goodger WJ, Oetzel GR 1999: Diagnostic methods for the detection of subacute ruminal acidosis in dairy cows. J Dairy Sci 82: 1170-1178
<https://doi.org/10.3168/jds.S0022-0302(99)75340-3>
10. K, Overton MW, Von Massow M, LeBlanc SJ, Lissemore KD, Duffield TF 2016: The cost of a case of subclinical ketosis in Canadian dairy herds. Can Vet J 57: 728-732
11. GN, Plaizier JC, Krause DO, Kennedy AD, Wittenberg KM 2005: Subacute ruminal acidosis induces ruminal lipopolysaccharide release and triggers an inflammatory response. J Dairy Sci 88: 1399-1403
<https://doi.org/10.3168/jds.S0022-0302(05)72807-1>
12. T, Uyeno Y, Akiyama K, Hashimura S, Yamamoto H, Yokokawa H, Kushibiki S 2016: Consecutive reticular pH monitoring in dairy cows fed diets supplemented with active dry yeast during the transition and mid-lactation periods. Anim Feed Sci Technol 221: 215-225
<https://doi.org/10.1016/j.anifeedsci.2016.09.002>
13. N, Mohri M, Azizzadeh M, Seifi HA, Heidarpour M 2016: Relationships between trace elements, oxidative stress and subclinical ketosis during transition period in dairy cows. Ir J Vet Sci Tech 7: 46-56
14. A, Sato S, Kato T, Ikuta K, Yamagishi N, Okada K, Ito K 2012: Relationship between pH and temperature in the ruminal fluid of cows, based on a radio-transmission ph-measurement system. J Vet Med Sci 74: 1023-1028
<https://doi.org/10.1292/jvms.12-0084>
15. KM, Oetzel GR 2005: Inducing subacute ruminal acidosis in lactating dairy cows. J Dairy Sci 88: 3633-3639
<https://doi.org/10.3168/jds.S0022-0302(05)73048-4>
16. L, Richter M, Třináctý J, Říha J, Kumprechtová D 2011: The effect of feeding live yeast cultures on ruminal pH and redox potential in dry cows as continuously measured by a new wireless device. Czech J Anim Sci 56: 37-45
<https://doi.org/10.17221/39/2010-CJAS>
17. S, Cowles K, Murphy MR, Cardoso FC 2016: Effect of a grain challenge on ruminal, urine, and fecal pH, apparent total-tract starch digestibility, and milk composition of Holstein and Jersey cows. J Dairy Sci 99: 2190-2200
<https://doi.org/10.3168/jds.2015-9671>
18. DD, McIntyre KK, Heinrichs AJ 2013: Subacute ruminal acidosis and total mixed ration preference in lactating dairy cows. J Dairy Sci 96: 6610-6620
<https://doi.org/10.3168/jds.2013-6771>
19. Mottram T 2015: Survey of rumen pH in commercial dairy herds. EAAP 66th Annual Conference, Warsaw, Poland, 31. 8. – 4. 9. 2015. Available at: http://www.ecow.co.uk/wp-content/uploads/2015/09/EAAP2015_paper_v1.pdf. Accessed 15 February 2017
20. E, Strandén I, Mäntysaari EA 2013: Genetic associations of test-day fat:protein ratio with milk yield, fertility, and udder health traits in Nordic Red cattle. J Dairy Sci 96: 1237-1250
<https://doi.org/10.3168/jds.2012-5720>
21. PA, Nydam DV, Stokol T, Overton TR 2010: Associations of elevated nonesterified fatty acids and β-hydroxybutyrate concentrations with early lactation reproductive performance and milk production in transition dairy cattle in the northeastern United States. J Dairy Sci 93: 1596-1603
<https://doi.org/10.3168/jds.2009-2852>
22. JC, Krause DO, Gozho GN, McBride BW 2008: Subacute ruminal acidosis in dairy cows: The physiological causes, incidence and consequences. Vet J 176: 21-31
<https://doi.org/10.1016/j.tvjl.2007.12.016>
23. O, Havrevoll Ø, Gröhn YT, Bolstad T, Waldmann A, Ropstad E 2002: Relationships among body condition score, milk constituents, and postpartum luteal function in Norwegian dairy cows. J Dairy Sci 85: 1406-1415
<https://doi.org/10.3168/jds.S0022-0302(02)74208-2>
24. SA, Kalebich CC, Melnichenko S, Cardoso FC 2016: Effects of clay after a grain challenge on milk composition and on ruminal, blood, and fecal pH in Holstein cows. J Dairy Sci 99: 8028-8040
<https://doi.org/10.3168/jds.2016-11030>
25. J, Nazifi S 2011: Diagnosis of subacute ruminal acidosis: A review. Asian J Anim Asci 5: 80-90
