PHD theses : Agricultural
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Item EFFECT OF FEEDING DIFFERENT LEVELS OF Cajanus cajan SEEDS (PIGEON PEA) ON PERFORMANCE AND MEAT QUALITY ATTRIBUTES OF MALE GOAT KIDS(Al Neelain University, 2009-03) Elhafiz Abd Elrahman HassanThis study was conducted to assess the performance and meat quality attributes of male Sudan Nubian goat kids fed diets containing different Cajanus cajan seed (pigeon Pea) levels as replacement of ground nut cake (G.N.C). The study was conducted in two experiments: Experiment (1): Thirty five young male Nubian goat kids 5-6 mouths old were purchased from the animal markets of Wad Madni, Elarebab. and Almadena Arad. transported to the small ruminant pens at the Faculty of Agricultural Technology and Fish Sciences Aneelain University in Jabal Awlia. The kids were very weak. emaciated, preweaned and the rumen were not well developed according to the farmers believe. Accordingly the farmers wean kids three days afier birth. After the adaptation period the animals were weighed, and divided into 5 groups (A, B, C, D, and E) of the same number and weight and each group was separately penned. Feeding facilitates: Five isocaloric diets, containing graded levels of Cajanus cajan seed (pigeon pea) (0%, 5%, 10%, 15% and 20%) as a replacement of groundnut cake (G.N.C.) were fed. Green fodder (Medicago saliva) was also given at rate of one kg/week/head to avoid vitamin (A) deficiency. Parameters studied were feed intake, feed conversion ratio, live weight gain, live body measurement, and at the end of the experimental Period three kids were randomly selected from each group and transported to the department of meat production University of Khartoum for slaughter to study carcass yield and characteristics, meat chemical composition, meat quality attributes and subjective evaluation of meat quality. The study indicated that final body measurements were not affected by the levels of Cajanus cajan seed. Total live weight gain was 3.543, 6.43, 6.376, 8.543 and 7.210 kg/ head the differences were highly significant (P < 0.01). Hot, cold and half carcass of male goat kids were significantly (P < 0.01). Affected by the level of Cajanus cajan seed. Total body fat increased very highly significantly (P < 0.001) with the increase of Cajanus cajan in the diet. The non-carcass components, were not affected by Cajarrus cajan levels except lung and trachea, four feet, and spleen were significantly affected. Leg, rack, breast plate and shank increased very highly significantly (P < 0.001) by the increase of Cajanus cajan levels. Meat quality attributes were affected by levels of Cajanus cajan. Experiment (2): The study was conducted on l5 male goat kids by selection of three kids from the 5 groups of the first experiment which were raised on 0%, 5%, 10%, 15% and 20% Cajanus cajan seed in the diet as replacement of groundnut cake to study the etfect of different levels on digestibility and faecal analysis. The dry matter intake. faecal output and drymatter digestibility coefficient were not affected by the different levels of Cajanus cajan seed in the diets.Item EFFECT OF FEEDING DIFFERENT LEVELS OF Cajanus cajan SEEDS (PIGEON PEA) ON PERFORMANCE AND MEAT QUALITY ATTRIBUTES OF MALE GOAT KIDS(Al-Neelain University, 2009) Elhafiz Abd Elrahman HassanABSTRACT This study was conducted to assess the performance and meat quality attributes of male Sudan Nubian goat kids fed diets containing different Cajanus cajan seed (pigeon Pea) levels as replacement of ground nut cake (G.N.C). The study was conducted in two experiments: Experiment (1): Thirty five young male Nubian goat kids 5-6 mouths old were purchased from the animal markets of Wad Madni, Elarebab, and Almadena Arad, transported to the small ruminant pens at the Faculty of Agricultural Technology and Fish Sciences Aneelain University in Jabal Awlia. The kids were very weak, emaciated, preweaned and the rumen were not well developed according to the farmers believe. Accordingly the farmers wean kids three days after birth. After the adaptation period the animals were weighed, and divided into 5 groups (A, B, C, D, and E) of the same number and weight and each group was separately penned. Feeding facilitates: Five isocaloric diets, containing graded levels of Cajanus cajan seed (pigeon pea) (0%, 5%, 10%, 15% and 20%) as a replacement of groundnut cake (G.N.C.) were fed. Green fodder (Medicago sativa) was also given at rate of one kg/week/head to avoid vitamin (A) deficiency. Parameters studied were feed intake, feed conversion ratio, live weight gain, live body measurement, and at the end of the experimental 14 Period three kids were randomly selected from each group and transported to the department of meat production University of Khartoum for slaughter to study carcass yield and characteristics, meat chemical composition, meat quality attributes and subjective evaluation of meat quality. The study indicated that final body measurements were not affected by the levels of Cajanus cajan seed. Total live weight gain was 3.543, 6.43, 6.376, 8.543 and 7.210 kg/ head the differences were highly significant (P < 0.01). Hot, cold and half carcass of male goat kids were significantly (P < 0.01). Affected by the level of Cajanus cajan seed. Total body fat increased very highly significantly (P < 0.001) with the increase of Cajanus cajan in the diet. The non-carcass components, were not affected by Cajanus cajan levels except lung and trachea, four feet, and spleen were significantly affected. Leg, rack, breast plate and shank increased very highly significantly (P < 0.001) by the increase of Cajanus cajan levels. Meat quality attributes were affected by levels of Cajanus cajan. Experiment (2): The study was conducted on 15 male goat kids by selection of three kids from the 5 groups of the first experiment which were raised on 0%, 5%, 10%, 15% and 20% Cajanus cajan seed in the diet as replacement of groundnut cake to study the effect of different levels on digestibility and faecal analysis. The dry matter intake, faecal output and drymatter 15 digestibility coefficient were not affected by the different levels of Cajanus cajan seed in the diets. الخلاصة أجريت هذه الدراسة لمعرفة اثر إضافة مستويات مختلفة من اللوبيا العدسي كبديل لامباز الفول في علائق التسمين علي معدل النمو واستهلاك الغذاء والكفاءة التحويلية للغذاء ونسبة التصافي وإنتاج القطع التجارية للحوم جديان الماعز النوبي. تضمن البحث تجربتين الأولي أجريت علي 35 رأس من ذكور الماعز النوبي (عمر 5-6شهور) تم شرائها من ودمدني والمدنية عرب والأربعين وتم ترحليها الي كلية التقانة الزراعية وعلوم الأسماك – جامعة النيلين – بجبل الأولياء حيث كانت جديان الماعز ضعيفة وهزيلة لعدم مقدرتها علي هضم العلف حيث يتم فطامها في عمر ثلاثة أيام للمفهوم السائد عند المربين إن بيع اللبن ذو جدوى اقتصادية أكثر من تربية جديان ذكور الماعز. بعد قضاء فترة الأقلمة الكافية قسمت الجديان عشوائياً إلي خمسة مجموعات (7 رأس لكل مجموعة) بمتوسط وزن ابتدائي متساوي وعُلفت المجموعات الخمسة لمدة (112 يوم). المجموعة الأولي اللوبيا العدسي بها صفر والثانية 5% والثالثة 10% والرابعة 15% والخامسة 20% حيث كانت الطاقة متساوية في جميع المجموعات . أظهرت الدراسة إن إضافة مستويات مختلفة من اللوبيا العدسي كبديل لامباز الفول في علائق التسمين ليس لها اثر معنوي واضح علي مقاسات الحيوانات . أظهرت الدراسة أن إضافة مستويات مختلفة من اللوبيا العدسي كبديل لامباز الفول في علائق التسمين لها اثر معنوي (P< 0.01) حيث كانت معدلات الزيادة في الوزن الحي 3,543كجم للحيوان في المجموعة الأولي والمجموعة الثانية 6,43 كجم للحيوان والمجموعة الثالثة 6,376 كجم للحيوان والمجموعة الرابعة 8,543 كجم للحيوان والمجموعة الخامسة 7,21 كجم للحيوان. أظهرت الدراسة ان إضافة اللوبيا العدسي بمستويات مختلفة كبديل لامباز الفول له اثر معنوي (p< o.01) علي التصافي. كما أظهرت الدراسة ان إضافة اللوبيا العدسي بمستويات مختلفة كبديل لامباز الفول له اثر معنوي (p < 0.001) علي ترسيب الدهون وتوزيعها في جسد الذبيحة. أظهرت الدراسة إن إضافة مستويات مختلفة من اللوبيا العدسي في علائق التسمين لها اثر معنوي علي إنتاج القطع التجارية . التجربة الثانية : أجريت التجربة علي 15 رأس من ذكور الماعز النوبي لدراسة اثر إضافة مستويات مختلفة من اللوبيا العدسي في علائق التسمين علي معدل استهلاك الغذاء ونسبة الهضم وتحليل الروث . اجريت التجربة بحظائر قسم تغذية الحيوان – كلية الإنتاج والحيواني – جامعة الخرطوم شمبات وذلك لمدة 14 يوم (7يوم أقلمة + 7يوم تجربة) حيث قسمت علي 15 حظيرة صغيرة بكل حظيرة الماء والعلف. أظهرت التجربة ان إضافة مستويات مختلفة من اللوبيا العدسي في علائق التسمين ليس لها اثر علي استهلاك الغذاء ونسبة الهضم . كما أظهرت الدراسة إن إضافة مستويات مختلفة من اللوبيا العدسي في علائق التسمين ليس لها اثر معنوي علي التحليل الكيميائي للروث.