Effects of Dietary Protein Levels on Body Weight, Food Consumption, and Nitrogen Balance in Ruffed Grouse

The Condor ◽  
1983 ◽  
Vol 85 (1) ◽  
pp. 53-60 ◽  
Author(s):  
Patrick R. Beckerton
Keyword(s):  
Body Weight ◽  
Food Consumption ◽  
Nitrogen Balance ◽  
Dietary Protein ◽  
Ruffed Grouse ◽  
Protein Levels

Effects of Dietary Protein Levels on Ruffed Grouse Reproduction

1982 ◽  
Vol 46 (3) ◽  
pp. 569 ◽  
Author(s):  
Patrick R. Beckerton ◽  
Alex L. A. Middleton
Keyword(s):  
Dietary Protein ◽  
Ruffed Grouse ◽  
Protein Levels

The effect of diet on some parameters measured in toxicological studies in the rat

1980 ◽  
Vol 14 (3) ◽  
pp. 253-261 ◽  
Author(s):  
M. J. L. Clapp
Keyword(s):  
Body Weight ◽  
Weight Gain ◽  
Food Consumption ◽  
Dietary Protein ◽  
Body Weight Gain ◽  
Alanine Transaminase ◽  
Haematological Parameters ◽  
Transaminase Activity ◽  
Histological Studies ◽  
Toxicological Studies

The bodyweight, food consumption and various biochemical and haematological parameters were measured in, and breeding and histological studies made of, groups of rats fed 6 different diets. All diets acceptably supported reproduction. 1 diet restricted body weight gain by 30%, and increased plasma alanine transaminase activity. Nephrocalcinosis was seen in females fed diets with a calcium: phosphorous ratio of <1. Levels of dietary protein were positively correlated with the incidence of renal pelvic dilatation in offspring at 7 weeks of age.

Nitrogen balance, production performance, and plasma metabolites of lactating buffaloes in response to varying dietary protein levels

2021 ◽  
Vol 53 (4) ◽  
Author(s):  
Muhammad Uzair Akhtar ◽  
Hifzulrahman ◽  
Muhammad Imran ◽  
Talat Naseer Pasha ◽  
Anjum Khalique ◽  
...  
Keyword(s):  
Nitrogen Balance ◽  
Dietary Protein ◽  
Production Performance ◽  
Plasma Metabolites ◽  
Protein Levels ◽  
Lactating Buffaloes

The nutritional physiology of Trichoplusia ni parasitized by the insect parasite, Hyposoter exiguae, and the effects of parallel-feeding

Parasitology ◽  
1983 ◽  
Vol 87 (1) ◽  
pp. 15-28 ◽  
Author(s):  
S. N. Thompson
Keyword(s):  
Food Consumption ◽  
Dietary Protein ◽  
Trichoplusia Ni ◽  
Growth Depression ◽  
Insect Parasite ◽  
Protein Levels ◽  
Nutritional Physiology ◽  
Host Nutrition ◽  
Ad Libitum ◽  
Rates Of Growth

SUMMARYHost nutrition plays a major role in the nutritional physiology of Trichoplusia ni parasitized by the hymenopterous insect parasite, Hyposoter exiguae. Severely reduced growth rate characterized the host association throughout the 4th developmental stadium. This effect of parasitization, however, was indirect and growth depression of parasitized larvae was entirely accounted for by the accompanying decreased rate of food consumption. Parallel-fed larvae, that is, unparasitized larvae feeding on nutrients at the same rate as observed in ad libitum-fed parasitized individuals, displayed lower rates of growth than parasitized larvae and the latter had higher rates of assimilation. Parasitization, therefore, directly resulted in an increased rate of assimilation over that observed in uninfected insects after accounting for the effects of altered food consumption. Similarly, differences in the pattern of response to decreased dietary protein levels between parasitized and unparasitized insects could be explained on the basis of differences in their rates of food consumption

scholarly journals Effects of varying dietary protein levels on the performance of laying Japanese quail(Coturnix coturnix japonica) in a semi-arid environment

2021 ◽  
Vol 33 (1) ◽  
pp. 45-52
Author(s):  
S. Babangida ◽  
C. O. Ubosi
Keyword(s):  
Body Weight ◽  
Japanese Quail ◽  
Dietary Protein ◽  
Egg Production ◽  
Body Weight Gain ◽  
Arid Environment ◽  
Protein Levels ◽  
Average Body ◽  
Semi Arid ◽  
Average Body Weight

 Four dietary treatments differing in protein levels were compared to ascertain the protein requirement of laying Japanese quail in a semi-arid environment. One hundred and twenty quails were randomly assigned to four treatments (TI — 22%CR T2 — 20%CP T3 — 18%CP and T4 - I6%CP) in a completely randomized block design Each treatment was replicated thrice with ten quails each. Feed intake, body weight gain, hen day egg production, feed conversion ratio FCR), egg quality and hematological constituents were the response criteria. The study lasted seven weeks. Feed and water were provided ad libitum throughout the experimental period No significant (P> 0.05) effect of dietary protein was observed for feed intake, average body weight gain, hen-day egg production, F CR, dressing percentage and hematological parameters. Average body weight was significantly (P<0,05) enhanced by high dietary protein. Egg weight and Haugh unit were significantly (P<0. 05) better for the groups fed the higher protein levels (20 and 22% CP). Hen-day egg production, albumen index, specific gravity, shell weight and percent shell were not affected (P>0.05) by dietary protein levels. The costs of producing l kg egg in the treatment groups were ₦25926, ₦21007, ₦252.44 and ₦1263./10 for T1, T2, T3 and T4, respectively. It was concluded that about 20%CP is required in the diets of laying Japanese quail under a semi-arid environment of Nigeria.

scholarly journals Selection for 8-Week Body Weight under Different Dietary Protein Levels

1978 ◽  
Vol 57 (1) ◽  
pp. 10-16 ◽  
Author(s):  
H.L. MARKS ◽  
W.M. BRITTON
Keyword(s):  
Body Weight ◽  
Dietary Protein ◽  
Protein Levels ◽  
Selection For

Effect of flame roasting of dietary grains on the performance of leghorn hens

1994 ◽  
Vol 74 (2) ◽  
pp. 341-346 ◽  
Author(s):  
R. M.G. Hamilton
Keyword(s):  
Body Weight ◽  
Dietary Protein ◽  
Egg Production ◽  
Egg Quality ◽  
Control Diet ◽  
Productive Performance ◽  
Feed Conversion ◽  
Egg Weight ◽  
Protein Levels ◽  
Body Weights

Two experiments examined the effect on the performance of Leghorn hens given diets containing flame-roasted grains from 140 to 490 d of age. In exp. 1, the inclusion of barley, corn and wheat roasted at 121, 119 and 149 °C, respectively, had no significant (P > 0.05) effect on productive performance. Experiment 2 contained a factorial arrangement of treatments that involved two sources of dietary barley (non-roasted or flame-roasted at 154 °C), two methods of milling (hammer or roller) and two dietary protein levels (15 or 18%). Hens given the diets that contained roasted barley had lower (P < 0.01–0.001) 490-d body weights, egg production, early egg weight (196 d) and number of extra large sized eggs, and higher (P < 0.05–0.01) feed conversion, monetary returns, interior egg quality and number of medium sized and grades B and C eggs than those fed the non-roasted barley control diet. Mortality, the number of large-sized eggs and egg weights, feed conversion and the occurrence of blood spots were higher (P < 0.05–0.001) while the number of medium-sized eggs was lower (P < 0.05–0.001) when the hens were fed roller compared with hammer-milled grains. Hens given the 18% protein-containing diets had higher (P < 0.05–0.01) 490 d body weight, egg production, monetary returns and numbers of small sized and grades B and C eggs, but lower (P < 0.05) mortality than those receiving the diets that contained 15% protein. Key words: Flame roasting, dietary grains, Leghorn hens

scholarly journals Carry-over effects of dietary crude protein and triiodothyronine (T3) inbroiler chickens

1996 ◽  
Vol 75 (4) ◽  
pp. 573-581 ◽  
Author(s):  
R. W Rosebrough ◽  
A. D Mitchell ◽  
J. P Mcmurtry
Keyword(s):  
Body Weight ◽  
Dietary Protein ◽  
Broiler Chickens ◽  
Crude Protein ◽  
Relative Size ◽  
Dietary Treatment ◽  
Acetate Incorporation ◽  
Final Body Weight ◽  
Protein Levels

Indian River male broiler chickens growing from 7 to 30 d of age were fed on diets containing crude protein levels ranging from 120 to 3041 g/kg plus 0 or 1 mg triiodothyronine (T3/)kg diet. The purpose of this study was to examine the effects of these treatments on lipogenesis after a common diet was fed (180 g crude protein/kg diet from 30 to 56 d of age). Dietary treatment groups were sampled at 30 and 56 d. In vitro lipogenesis was determined by incubating liver explants for 2h at 37°in Hanks' salts containing 25 mM-HEPES and 10 mM-[2-14C]acetate and then measuring acetate incorporation into total lipid. Growth and feedconsumption from 7 to 30 d increased (P<0·01) as dietary protein increased from 120 to 210 g/kg diet. Both measurements decreased as crude protein increased from 210 to 300 g/kg diet.T, decreased (P<0·01) growth and feed intake during this period.Low-protein (<180 g/kg) diets increased (P<0·05) and T3, decreased lipogenesis in 30-d-old chickens. Although birds given T3from 7 to 30 dgrew at the greatest rate from 30 to 56 d of age, the final body weight was still less than controls.In vifm lipogenesis at 56 d of age was not affected by either of the two dietary treatments. In contrast, the relative size of the abdominal fat pad (g/kg body weight) at 56 d was decreased by feeding T3from 7 to 30 d. Any changes in metabolism elicited by either dietary protein levels or hormone treatments may be specific to the particular dosing interval and are not sustained when acommon diet is fed during a repletion period.

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