Predictive formulas for food base excess and urine pH estimations of cats

Jeremias, Juliana Toloi; Nogueira, Sandra Prudente; Brunetto, Márcio Antônio; Pereira, Gener Tadeu; Loureiro, Bruna Agy; Ferreira, Chayanne Silva; Gomes, Márcia de Oliveira Sampaio; Carciofí, Aulus Cavalieri

doi:10.1016/j.anifeedsci.2013.04.003

Cited by 13 publications

(15 citation statements)

References 20 publications

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“… CAB and urine pH in different species, data from present study and from: Baker et al., ; Wall et al., ; Kienzle et al., ; Berchtold, ; Goren et al., (horses eating no green plant material); Juergens, ; Finkensiep, ; Krohn, ; Beker et al., ; DeRouchey et al., ; Röcker, ; Chen and Shan, (pigs); Behnsen, ; Yamka and Mickelsen, (dogs); Kienzle et al., ; Kienzle and Wilms‐Eilers, ; Wagner et al., ; Jeremias et al., ; Pires et al., (cats); Kiwull‐Schöne et al., ; Paulus, (rabbits); data on dogs include unpublished data from five trials from a study in our institute.…”

Section: Discussionsupporting

confidence: 50%

“…3). The relationship between CAB and urinary pH was similar in rabbits to such relations in pigs, dogs and cats (cats: Kienzle and Schuhknecht, 1993;Kienzle and Wilms-Eilers, 1994;Wagner et al, 2006; Jeremias et al, 2013;dogs: Behnsen, 1992;Yamka and Mickelsen, 2006;pigs: Beker et al, 1999;R€ ocker, 2006;Chen and Shan, 2014). The relationship between CAB and urine pH in rabbits was also comparable to data from horses which were not eating green plant material (lowest mean urine pH 5.2 AE 0.38 at a CAB of À63 mmol/kg DM).…”

Section: Discussionmentioning

confidence: 54%

“…). The relationship between CAB and urinary pH was similar in rabbits to such relations in pigs, dogs and cats (cats: Kienzle and Schuhknecht, ; Kienzle and Wilms‐Eilers, ; Wagner et al., ; Jeremias et al., ; dogs: Behnsen, ; Yamka and Mickelsen, ; pigs: Beker et al., ; Röcker, ; Chen and Shan, ).…”

Section: Discussionmentioning

confidence: 55%

“…data from present study and from: Baker et al, 1992;Wall et al, 1992;Kienzle et al, 2006;Berchtold, 2009;Goren et al, 2014 (horses eating no green plant material); Juergens, 1991;Finkensiep, 1993;Krohn, 1993;Beker et al, 1999;DeRouchey et al, 2003;R€ ocker, 2006;Chen and Shan, 2014 (pigs) ;Behnsen, 1992;Yamka and Mickelsen, 2006 (dogs); Kienzle et al, 1991;Kienzle and Wilms-Eilers, 1994;Wagner et al, 2006;Jeremias et al, 2013;Pires et al, 2013 (cats); Kiwull-Sch€ one et al, 2005;Paulus, 2010 (rabbits); data on dogs include unpublished data from five trials from a study in our institute. demonstrated in other monogastric species before (Jaffe et al, 1932;Sartorius et al, 1949;Langendorf and Lang, 1963;Burnell, 1971;Kraut et al, 1986;Ching et al, 1989;Cooper et al, 2000;Riond, 2001;McKenzie et al, 2002;Topliff, 2006;Chen and Shan, 2014).…”

Section: Fig 4 Cab and Urine Ph In Different Speciesmentioning

confidence: 63%

“…As an estimate to predict and compare the effect of diet on acid–base balance, the CAB of the diet based on the content of the cations Ca, Mg, Na and K and the anions P, Cl and S in DM was used (Langendorf and Lang, ; Harrington and Lemann, ; Oh, ; Remer, ; Riond, ; Poupin et al., ). In cats, dogs, pigs and horses, the relationship between CAB and urine pH has been investigated (Kienzle, ; Kienzle et al., , ; Behnsen, ; Kienzle and Wilms‐Eilers, ; Beker et al., ; DeRouchey et al., ; Stevenson et al., ; Röcker, ; Yamka and Mickelsen, ; Carciofi, ; Berchtold, ; Bartges et al., ; Jeremias et al., ; Pires et al., ; Chen and Shan, ; Goren et al., ), which allows a direct comparison with this study with rabbits. A special point was the comparison of rabbits with horses because in contrast to dogs, cats and pigs, rabbits and horses both excrete large amounts of calcium by urine (Schryver et al., ; Kamphues et al., ; Kamphues, ; Redrobe, ; Clauss and Hummel, ; Kienzle and Burger, ).…”

Section: Introductionmentioning

confidence: 99%

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Effect of cation–anion balance in feed on urine pH in rabbits in comparison with other species

Heer

Dobenecker

Kienzle

2017

Animal Physiology Nutrition

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In the present investigation, the impact of diet composition on urine pH in rabbits was compared with previous studies on rabbits, cats, dogs, pigs and horses. A total of 13 dwarf rabbits were fed six different diets with a cation-anion balance (CAB) between -39 and +320 mmol/kg dry matter (DM) using ammonium chloride (NH Cl) as an acidifier. CAB was calculated as follows: CAB (mmol/kg DM) = 49.9*Ca + 82.3*Mg +43.5*Na + 25.6*K - 59*P - 62.4*S - 28.2*Cl; minerals in g/kg DM. Urine, faeces and blood were collected. Urine pH ranged from 5.26 ± 0.22 at a CAB of -39 mmol/kg DM to 8.56 ± 0.24 at a CAB of +320 mmol/kg DM. A low CAB in the feed reduced blood pH and blood base excess significantly. Renal excretion of Ca, P, Na and Mg and water was significantly higher in rabbits eating acidifying diets. In comparison with other species, rabbits reacted to acidifying diets in a similar way as cats, dogs and pigs. Rabbits on a mildly alkalizing diet, however, had a trend to higher urine pH than other monogastric species on such diets (cats, dogs, pigs, horses).

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Section: Discussionsupporting

confidence: 50%

Section: Discussionmentioning

confidence: 54%

Section: Discussionmentioning

confidence: 55%

Section: Fig 4 Cab and Urine Ph In Different Speciesmentioning

confidence: 63%

Section: Introductionmentioning

confidence: 99%

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Effect of cation–anion balance in feed on urine pH in rabbits in comparison with other species

Heer

Dobenecker

Kienzle

2017

Animal Physiology Nutrition

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Hydroxyproline and starch consumption and urinary supersaturation with calcium oxalate in cats

Mendonça

Pedreira

Loureiro

et al. 2018

Animal Feed Science and Technology

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Not all forms of dietary phosphorus are equal: an evaluation of postprandial phosphorus concentrations in the plasma of the cat

Coltherd¹,

Staunton²,

Colyer³

et al. 2018

Br J Nutr

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Phosphorus is present in diets as naturally occurring P from raw materials or added as an inorganic salt. However, little is known about postprandial kinetics of P absorption in cats. Here, we describe several studies quantifying postprandial kinetics following the ingestion of diets of varying composition. Briefly, cats were fed a meal consisting of 50 % of their metabolic energy requirement in a randomised crossover design. A pre-meal baseline blood sample was taken via cephalic catheter and repeated measurements taken regularly up to 6 h post-meal to assess the whole blood ionised Ca, plasma P and parathyroid hormone concentrations. A diet containing 4·8 g total P/4184 kJ (1000 kcal), 3·5 g P from sodium dihydrogen phosphate (NaH2PO4)/4184 kJ (1000 kcal) and Ca:P 0·6 caused a marked increase in plasma P from baseline to a peak of 1·976 (95% CI 1·724, 2·266) mmol/l (P <0·001), whereas a diet containing 3·38 g total P/4184 kJ (1000 kcal), no added inorganic P and Ca:P 1·55 resulted in a postprandial decrease in plasma P (P = 0·008). Subsequent data indicate that added inorganic P salts in the diet above 0·5 g P/4184 kJ (1000 kcal) cause an increase in plasma P in cats, while diets below this do not. The data presented here demonstrate that sources of added inorganic P salts cause a temporary postprandial increase in plasma P in a dose-dependent manner, prolonged in diets with Ca:P <1·0. Dietary P derived from natural food ingredients (e.g. meat or vegetable matter) does not appear to have any effect on postprandial plasma P.

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Predictive formulas for food base excess and urine pH estimations of cats

Cited by 13 publications

References 20 publications

Effect of cation–anion balance in feed on urine pH in rabbits in comparison with other species

Effect of cation–anion balance in feed on urine pH in rabbits in comparison with other species

Hydroxyproline and starch consumption and urinary supersaturation with calcium oxalate in cats

Not all forms of dietary phosphorus are equal: an evaluation of postprandial phosphorus concentrations in the plasma of the cat

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