Utilization of Urea and Water Metabolism by Zebu Cattle and Buffaloes under Tropical Conditions

Razdan, M. N.; Sharma, Deepansh; Bhargava, Pankaj; Chawla, M S

doi:10.3168/jds.s0022-0302(71)86000-9

Cited by 8 publications

(2 citation statements)

References 20 publications

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“…Há indícios de que forragens de baixa qualidade são melhores aproveitadas pelos bubalinos que pelos bovinos (RAZDAN et al, 1971;NOGUEIRA FILHO, 1995).…”

Section: Introductionunclassified

Efeitos de níveis crescentes de fibra em detergente neutro na dieta sobre a digestão ruminal em bubalinos e bovinos

et al. 2000

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RESUMO -Quatro bubalinos e quatro bovinos adultos com fístulas ruminais foram utilizados com o objetivo de se estudar os efeitos de diferentes níveis de fibra em detergente neutro na dieta sobre as características digestão ruminal. Foram avaliadas as degradabilidades da matéria seca, fibra em detergente neutro do feno de coastcross e do farelo de trigo, matéria seca do milho em grãos moídos e do farelo de soja; digestibilidade com indicador (Cr 2 O 3 ). Os animais foram delineados em dois quadrados latinos (4x4) com arranjo fatorial 4x2, sendo quatro níveis crescentes de FDN na MS (54, 60, 66 Effects of the Increasing Levels of Neutral Detergent Fiber in the Diet on the Digestion in Water Buffaloes and CattleABSTRACT -Four buffaloes and four cattle rumen fistulated were used with the objective to study the effects of different levels of neutral detergent fiber in the diet on the digestion characteristics. The In situ degradations of dry matter (DM), neutral detergent fiber (NDF) of the coastcross hay and wheat meal, DM of the corn ground and soybean meal were evaluated. The digestibilities of DM, crude protein and NDF of the diets were also evaluated using a Cr 2 O 3 as a marker. The animals were allotted to two in a 4x2 factorial arrangement with four increasing levels of NDF in the DM (54, 60, 66 and 72%) and two animal species (buffaloes and cattle). Four twenty-nine days subperiods were used, with 13 days for diet adaptation. The buffaloes showed higher ruminal DM and NDF disappearance of the Coast-cross hay and soybean meal DM than cattle, in most of the incubation times. On the other hand, the ruminal NDF disappearance of wheat meal was higher for the cattle only in the first hours. There was interaction between species and NDF levels for the DM digestibility coefficients. The NDF levels influenced the NDF digestibility coefficient and it was not noticed effects of species or NDF levels for the CP digestibility coefficient. IntroduçãoA fibra e a proteína consumidas pelos ruminantes, obtidas de diferentes fontes e variadas composições, têm influência na atividade microbiana no rúmen. Há indícios de que forragens de baixa qualidade são melhores aproveitadas pelos bubalinos que pelos bovinos (RAZDAN et al., 1971;NOGUEIRA FILHO, 1995).A degradabilidade das frações fibrosas de alimentos volumosos cresce com o aumento da proporção de volumoso na dieta (CHIMWANO et al., 1976). HOPSON et al. (1963)

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“…Há indícios de que forragens de baixa qualidade são melhores aproveitadas pelos bubalinos que pelos bovinos (RAZDAN et al, 1971;NOGUEIRA FILHO, 1995).…”

Section: Introductionunclassified

Efeitos de níveis crescentes de fibra em detergente neutro na dieta sobre a digestão ruminal em bubalinos e bovinos

et al. 2000

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“…The discrepancies in urine are probably due to relying on literature to estimate urination events per day. Data on frequencies of urination among African zebu cattle are limited, but the value we used for daily urinary output (6.63 L per day) for African zebu cattle agrees with zebu Tharparkar cattle (6.9 L per day) [ 69 ], but slightly lower than Nellore zebu cattle (8.1 L per day) [ 70 ]. It has also been noted that cattle preferentially defecate and urinate in aquatic environments [ 23 ], which implies that the volume per urination is likely lower during watering than during other times because the motivation is the trickling stream rather than a full bladder.…”

Section: Discussionmentioning

confidence: 99%

Livestock as vectors of organic matter and nutrient loading in aquatic ecosystems in African savannas

et al. 2021

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Populations of large wildlife have declined in many landscapes around the world, and have been replaced or displaced by livestock. The consequences of these changes on the transfer of organic matter (OM) and nutrients from terrestrial to aquatic ecosystems are not well understood. We used behavioural data, excretion and egestion rates and C: N: P stoichiometry of dung and urine of zebu cattle, to develop a metabolism-based estimate of loading rates of OM (dung), C, N and P into the Mara River, Kenya. We also directly measured the deposition of OM and urine by cattle into the river during watering. Per head, zebu cattle excrete and/or egest 25.6 g dry matter (DM, 99.6 g wet mass; metabolism) - 27.7 g DM (direct input) of OM, 16.0–21.8 g C, 5.9–9.6 g N, and 0.3–0.5 g P per day into the river. To replace loading rates OM of an individual hippopotamus by cattle, around 100 individuals will be needed, but much less for different elements. In parts of the investigated sub-catchments loading rates by cattle were equivalent to or higher than that of the hippopotamus. The patterns of increased suspended materials and nutrients as a result of livestock activity fit into historical findings on nutrients concentrations, dissolved organic carbon and other variables in agricultural and livestock areas in the Mara River basin. Changing these patterns of carbon and nutrient transport and cycling are having significant effects on the structure and functioning of both terrestrial and aquatic ecosystems.

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Factors influencing water intake in dairy cows: a review

Golher

Patel

Bhoite³

et al. 2020

Int J Biometeorol

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Utilization of Urea and Water Metabolism by Zebu Cattle and Buffaloes under Tropical Conditions

Cited by 8 publications

References 20 publications

Efeitos de níveis crescentes de fibra em detergente neutro na dieta sobre a digestão ruminal em bubalinos e bovinos

Efeitos de níveis crescentes de fibra em detergente neutro na dieta sobre a digestão ruminal em bubalinos e bovinos

Livestock as vectors of organic matter and nutrient loading in aquatic ecosystems in African savannas

Factors influencing water intake in dairy cows: a review

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