NDLI: Effect of essential:total nitrogen ratio on protein utilization in the growing pig

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Effect of essential:total nitrogen ratio on protein utilization in the growing pig

Content Provider	Scilit
Author	Heger, Jaroslav Mengesha, Samson Vodehnal, David
Copyright Year	1998
Description	Two N balance experiments using growing pigs were conducted to study the effect of essential:total (E:T) N ratio on N retention and utilization. Purified diets contained casein and crystalline amino acids as the sole sources of N. E:T values ranged from 0·25 to 0·86 while either the concentration of total N (Expt. 1) or essential N (Expt 2) was kept constant. At a constant concentration of total dietary N, N retention and total N utilization were maximized with an E:T value of approximately 0·6, while essential N utilization gradually decreased as E:T increased. At a constant level of essential N, N retention remained unchanged until the E:T value reached 0·48 and then decreased. In Expt 2, maximum total N utilization was attained with an E:T value of 0·66 while N excretion and essential N utilization decreased with increased E:T value. These results suggest that under conditions of optimal protein utilization, essential amino acids are partially degraded and used for the synthesis of non-essential amino acids.
Related Links	https://www.cambridge.org/core/services/aop-cambridge-core/content/view/02DED5F26723DC328AFBEC37D2F0CBA9/S0007114598001639a.pdf/div-class-title-effect-of-essential-total-nitrogen-ratio-on-protein-utilization-in-the-growing-pig-div.pdf
Ending Page	544
Page Count	8
Starting Page	537
ISSN	00071145
e-ISSN	14752662
DOI	10.1017/s0007114598001639
Journal	British Journal of Nutrition
Issue Number	6
Volume Number	80
Language	English
Publisher	Cambridge University Press (CUP)
Publisher Date	1998-12-01
Access Restriction	Open
Subject Keyword	British Journal of Nutrition Agriculture and Animal Production Amino Acids Protein Utilization
Content Type	Text
Resource Type	Article
Subject	Nutrition and Dietetics Medicine

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