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EFEITO DO CALCÁRIO CALCÍTICO NO pH RUMINAL EFFECT OF CALCITIC CALCARIUM ON RUMINAL pH
Pesquisa Agropecuária Tropical, 2007 <!-- @page { margin: 2cm } --> <p class="western" align="justify">O experimento foi conduzido no Departamento de Zootecnia da Escola de Veterinária da Universidade Federal de Goiás. Foram utilizados 12 ovinos, divididos em blocos e confinados
Denise Regina Macário +3 more
doaj +3 more sources
Ruminal pH regulation and nutritional consequences of low pH
Animal Feed Science and Technology, 2012 Peer ...
Dijkstra, J. +6 more
openaire +4 more sources
Comparative Clinical Pathology, 2008 The aim of this study was to investigate the variations of some physiological parameters in dairy cows during subacute ruminal acidosis (SARA), a common important disorder of dairy cows that occurs in early lactation. pH changes in ruminal fluid collected by rumenocentesis were measured at ten farms stationed in different zones in the north of Italy ...
MorganteM +5 more
openaire +2 more sources
Comparison of Rumen Fluid pH by Continuous Telemetry System and Bench pH Meter in Sheep with Different Ranges of Ruminal pH [PDF]
The Scientific World Journal, 2014 We aimed to compare the measurements of sheep ruminal pH using a continuous telemetry system or a bench pH meter using sheep with different degrees of ruminal pH.
Leonardo F. Reis +9 more
doaj +3 more sources
Methods of Evaluating Ruminal pH in Dairy Cattle
American Association of Bovine Practitioners Conference Proceedings, 1998 Progress in understanding ruminal acidosis in dairy cattle has been limited by the methods available for determining ruminal pH. We evaluated three different methods of measuring ruminal pH in 8 ruminally-cannulated Holstein cows in early lactation as part of a 28-day nutritional study.
Oetzel, Garrett R., Nordlund, Kenneth V.
openaire +2 more sources
Correlation between ruminal pH and body condition score in cows with subacute ruminal acidosis
Revista MVZ Córdoba, 2017 Objective. The purposes of this field study were to a) confirm the presence of subacute ruminal acidosis (SARA) in Turkish dairy herds in Aydin region, b) record its regional distribution and c) to determine whether there is a relationship between body condition scoring, ruminal contractions and ruminal pH. Materials and methods. Ruminal fluid samples,
Ural Ph.D, Deniz Alıç +2 more
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The effect of pH on ruminal methanogenesis [PDF]
FEMS Microbiology Ecology, 1996 When a fistulated cow was fed an all forage diet, ruminal pH remained more or less constant (6.7 to 6.9). The ruminal pH of a concentrate-fed cow decreased dramatically in the period soon after feeding, and the pH was as low as 5.45. Mixed ruminal bacteria from the forage-fed cow converted CO2 and H2 to methane, but the ruminal fluid from the ...
Jo Ann S. Kessel, James B. Russell
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Factors associated with ruminal pH at herd level [PDF]
Journal of Dairy Science, 2012 The objective of this study was to evaluate factors associated with ruminal pH at herd level. Four hundred and thirty-two cows of a Thuringian dairy herd were sampled before claw trimming using a rumen fluid scoop. Volume and pH of the rumen sample were measured, and lactation number, percentage of concentrates in the ration, days in milk (DIM), time ...
T, Geishauser +3 more
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, 2020 There has been an increasing trend in herd size in a number of countries which is associated with an increase in the number of cows per stock person. More specifically in the dairy cattle sector in Europe, since milk quota removal by EU in April 2015, many countries have implemented expansion programs mainly in the form of increasing cow milk yield and/
Danesh Mesgaran, Sadjad +3 more
openaire +1 more source
Effects of induced subacute ruminal acidosis on milk fat content and milk fatty acid profile [PDF]
, 2008 Two lactating dairy cows fitted with a rumen cannula received successively diets containing 0%, 20%, 34% and again 0% of wheat on a dry matter basis. After 5, 10 and 11 days, ruminal pH was measured between 8:00 and 16:00 hours, and milk was analysed for
Troegeler-Meynadier, Annabelle +3 more
core +1 more source