1.
Effect Of Feeding Of Canola Meal On The Performance Of Layers
by Imran Hassan | Dr.Javed Ahmad Qureshi | Dr.Muhammad | Prof.Dr.Nisar Ahmad.
Material type: ; Format:
print
; Literary form:
not fiction
Publisher: 2000Dissertation note: Canola a genetically improved variety of rapeseed after extraction of oil, as a meal, is the best supplement protein source among the vegetable protein sources which can be incorporated in different classes of poultry rations.
The present experiment was conducted to study the long term effect of canola meal feeding on the performance of 216 layer chicks from 19th 29th weeks. The birds were divided into six main groups, having 36 layers each and further sub-divided into 3 replicates of 12 layers each. Each replicate was treated as an experimental unit. All the managemental programs like, feeding, watering, vaccination, lighting and temperature were provided according to the recommended requirements for Babcock B300 layers.
Six experimental rations, A, B, C, D, E and F were prepared containing 0, 5, 7.5, 10, 12.5 and 15% canola meal in the layer mash, while with the same designation of rations, 0, 9, 12, 15, 18 and 21% canola meal containing starter and grower rations were fed during the previous phase of the project (Phase-I). The rations were formulated and provided according to the Babcock B300 strain requirement.
In this project, effect of feeding different levels of canola meal was checked in lieu of soybean meal on feed consumption, feed efficiency (Kilogram of feed per dozen eggs) egg production, weight of twelve eggs, egg shell thickness, chemical composition of eggs, organoleptic evaluation and economics.
Feed consumption, per dozen egg weight and egg production were significantly lower (P<O.01) with rations containing different canola meal levels as compared to soybean meal diet. While best feed conversion ratio (kilograms of feed per dozen eggs) was observed with canola meal containing ration that is significantly lower (P<O.01) as compared to soybean meal containing diet. Egg shell thickness was also significantly higher (P <0.01) with rations containing canola meal as compared to soybean meal.
Chemical composition and organoleptic evaluation of the eggs from the hens fed on soybean meal or canola meal containing ration did not show any pronounced effect. While the economics of the experimental rations indicated that rations contain canola meal were cheaper as compared to soybean meal containing rations. The overall picture of the whole experiment revealed that canola meal can replace completely soybean meal in laying phase. But it has little problem of poor feed intake which was may be due to picking problem of the birds due to smaller particle size of canola meal.
RECOMMENDATIONS
Based on the present study following are the recommendations:
1. With the energy compensation of the layer ration canola meal can be incorporated upto 15% dietary level.
2. A wide range of glucosinolates is present in canola quality of rapeseed i.e. 1-3O.smol/gm DM meal. It is very critical for formulation.
3. Canola meal should be incorporated in layer mash ration after pelleting in order to avoid the low feed intake problem.
CONCLUSIONS
Results of the present study reveals that canola is one of the best vegetable protein sources that can replace completely soybean meal in the layer diets with respect to the performance of the birds upto 30th week of age.
Availability: Items available for loan: UVAS Library [Call number: 0639,T] (1).
2.
Influence Of Varying Levels Of Energy With Constant Levels Of Protein On The Performance Of Japanese Quails
by Shahid Siddique | Dr.Nisar Ahmad | Dr.Javed Ahmad Qureshi | Dr.Muhammad.
Material type: ; Format:
print
Publisher: 1997Dissertation note: Present experiment was conducted to study the influence of varying level of energy with constant level of protein on the performance of Japanese quail. For this purpose 300 day old Japanese quail were reared upto 42 days. Quails were randomly divided into five groups, each group was further subdivided into three replicates of 20 quails each . Starter rations Al, Bi, Cl, Dl and El were given to each group for first 21 days and from 22 - 42 days finisher rations A2, B2, C2, D2 and E2 were given. Starter rations contained 24.5% protein and 2800, 2900, 3000, 3100 and 3200 Kcal/Kg Metabolizable Energy respectively. Finisher rations contained 19.5% protein and 2800, 2900, 3000, 3100 and 3200 Kcal/Kg Metabolizable Energy respectively. On starter rations quail chicks gained weight 66.77, 63.54, 69.28, 62.36 and 61.50 grams respectively. The highest weight gain of 69.28 grams was obtained with chicks fed on ration Cl containing Metabolizable Energy 3000 Kcal/Kg with calorie-protein ratio 122. Feed consumed by the quail chicks was 133.73, 128.38, 126.71, 122.60 and 119.50 grams respectively. Chicks fed on ration Al consumed maximum feed having 2800 Kcal/Kg Metabolizable Energy, while minimum feed consumption was on ration El having 3200 Kcal/Kg Metabolizable Energy. The average feed efficiency was 2.00, 2.02, 1.82, 1.96 and 1.94 respectively. The chicks fed on ration C1 containing Metabolizable Energy of 3000 Kcal/Kg with calorie-protein ratio 122 was more efficient in feed utilization.
On finisher rations A2, B2, C2, D2 and/ E2 weight gained was 67.62, 72.03, 74.25, 70.46 and 68.05 grams respectively. The highest weight gain 74.25 grams was obtained with chicks, fed on ration C2 containing Metabolizable Energy 3000 KcaI/Kg with calorie-protein ratio 153. Feed consumed by quail chicks on finisher rations was 311.33, 293.93, 299.9, 287.4 and 276.17 grams. Highest amount o feed i.e. 311.33 grams was consumed by chicks fed on ration A2 having Metabolizable Energy 2800 Kcal/Kg , while the lowest amount of feed consumed by quail chicks on ration E2 containing Metabolizable Energy 3200 Kcal/Kg. Similarly the feed conversion ratio was 4.60, 4.08, 4.04, 4.07 and 4.05 to the quail chicks fed on finisher rations. The chicks fed on ration C2 containing Metabolizable Energy 3000 Kcal/Kg with calorie-protein ratio 153 was more efficient in feed utilization.
The results indicated that ration containing Metabolizable Energy 3000 Kcal/Kg with calorie-protein ratio 122 in starter rations and ration containing Metabolizable Energy 3000 KcalIKg with calorie-protein ratio 153 in finisher ration were economical, showed better weight gain and comparatively more efficient in feed utilization in quail chicks. It was observed that the rate of weight gain was decreased when energy levels were increased or decreased from 3000 Kcal/Kg in starter and finisher rations respectively. It was noticed that as the level of energy with constant level of protein in ration increased, the feed consumption was decreased. Feed efficiency was poor at high and low energy rations with constant level of protein.
Availability: Items available for loan: UVAS Library [Call number: 0672,T] (1).
