The study was conducted to investigate the effects of feeding different levels of dried cassava leaves at 0%, 20%, 40% and 60%, respectively, using guinea grass as basal feed, on the haematological and serum biochemical parameters of West African Dwarf (WAD) goats. The study lasted for 116 days during which haematological and serum biochemical parameters were monitored in 40 male goats before and after, using a completely randomized design. At the start of the experiment, packed cell volume (PCV) ranged from 21.5% to 25.5% while haemoglobin concentration (Hb) and RBC significantly (P < 0.01) ranged from 7.3 to 8.6 g/dl and 10.4 to 13.2 × 10(12)/l, respectively. White blood cells reduced significantly (P < 0.05)) from 16.4 to 11.7 × 10(9)/l) as dried cassava leaves increased in the diets. At the end of the trial, there was a slight increase in the values of PCV and Hb in the diets (P > 0.05). Lymphocyte reduced significantly (P < 0.05) from 50.0% to 63.5% in the diets. Neutrophils, however, increased (P > 0.05) at the 0% to 40% levels and reduced at the 60% level of dried cassava leaves inclusion. At the start of the experiment, values for glucose significantly (P < 0.05) ranged from 40.1 to 56.0 mg/dl. Total protein and albumin values ranged significantly (P < 0.05) from 56.0 to 68.5 g/dl and 30.6 to 38.4 g/dl, respectively. At the end of the experiment, serum creatinine increased significantly (P < 0.05) as the level of dried cassava leaves increased from 0% to 60% in the diets. The study revealed that inclusion of dried cassava leaves in the diets of West African Dwarf goats had no deleterious effects on the haematological and serum biochemical parameters of WAD goats and could therefore be included in ruminant diets up to 60%.
and Prevention preventive controls (3). Further research into the control of L. monocytogenes in fresh produce, including fresh apples, might help identify prevention strategies to reduce or eliminate the pathogen in some ready-to-eat foods.
SUMMARYA study was conducted to investigate the effects of different additives on the fermentation quality of ensiled cassava leaves and its effects on the ruminal fluid parameters using eighteen West African dwarf goats. Cassava leaves were ensiled alone (ECF), with 5 % (w/w) molasses (ECFM) and caged layer waste (ECFP) respectively as additives for 30 days. Results of chemical composition of the additive and non-additive silages indicated that ensiling with 5 % molasses reduced the DM content from 252.4 g/kg in ECF to 238.9 g/ kg in ECFM and increased with 5 % caged layer waste (ECFP) to 267.6 g/kg. The CP content of ECF was 207.6 g/kg and this decreased to 198.5 g/kg DM in ECFM. Addition of molasses and caged layer waste caused a reduction in the HCN contents from 95.8 mg/kg in non-additive silage (ECF) to 89.3 mg/kg in ECFP and 84.7 mg/kg in ECFM. The mean pH of non-additive silage of 3.66 was significantly (p<0.05) different from the value of 4.29 in ECFP. Animals fed silage ensiled with molasses (ECFM) had a DM intake of 503.42 g/d, followed by values of 485.17 g/d and 458.43 g/d for animals fed ECF and ECFP respectively. Crude protein intake was similar in ECF and ECFM but higher (p<0.05) than ECFP and ranged from 161.28-172.71 g/d. The ruminal fluid parameters indicated no significant differences (p>0.05) in the pH, BC and lactic acid concentration in both the nonadditive and additive silages. Ammonia-nitrogen concentration (NH 3 -N) however, ranged significantly (p<0.05) from 15.93 ± 0.20 (mg/dL) in ECF to 22.43 ± 0.61 (mg/dL) in ECFP. The study showed that ensiling cassava leaves with 5 % molasses and caged layer waste improved the silage conditions and the ruminal fluid parameters of West African Dwarf goats.
RESUMENSe realizó un estudio para investigar los efectos de diferentes aditivos sobre la calidad de la fermentación de ensilaje de hojas de yuca y sus efectos sobre los parámetros del fluido ruminal en dieciocho cabras Enanas de África Occidental. Las hojas de yuca fueron ensiladas, durante 30 días, solas (ECF) y con adición de 5 % de melaza (ECFM) o excretas de ponedoras en batería (ECFP) como aditivos. La adición de 5 % de melaza redujo el contenido de materia seca, 252,4 g/kg en ECF, a 238,9 g/kg en ECFM; con adición de 5 % de excretas (ECFP) la MS aumentó hasta 267,6 g/kg. El nivel de PB (207,6 g/kg en ECF) disminuyó a 198,5 g/kg en ECFM. Tanto la adición de melazas Archivos de zootecnia vol. 63, núm. 243, p. 450
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