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- 저자 : Hafsat Ololade Okin-Aminu (검색결과 2 건)
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Olatunji Abubakar Jimoh,Olajumoke Temidayo Daramola,Hafsat Ololade Okin-Aminu,Olayinka Abosede Ojo 한국축산학회 2022 한국축산학회지 Vol.64 No.5
Thermal stress is a tremendous health predicament encountered by poultry farmers withadverse effects on the performance, product stature, health condition, survival, and overallwelfare of poultry birds, and so requires urgent dietary user-friendly strategy to curb. Thisstudy was conducted with 200-day old broilers for the purpose of investigating the potentialof phytogenics in refining the negative effects of heat stress on broiler chicken. Moringa,Phyllanthus and mistletoe leaves were processed as phytogenic supplements and incorporatedinto standard ration for broilers as treatments B1 (control), B2, B3 and B4 diet duringthe peak of thermal discomfort in humid tropics. Growth and carcass indices were monitoredin a 49-day trial and blood samples were harvested at the end of the ordeal period to assesshaematology, serum biochemical and oxidative stress markers with the use of standard procedures. The results obtained showed that the prevailing environmental condition in the studysite indicated that the birds were exposed to heat stress. Birds fed on moringa and mistletoesupplements had higher performance index than birds without supplementation during heatstress condition, while birds fed on mistletoe supplement had the highest survival rate acrossthe treatments. The liveweight, slaughter weight, dressed weight and eviscerated weight ofheat stressed birds fed on moringa, phyllanthus and mistletoe supplements were significantlyhigher than birds on control treatment. Heterophyl/lymphocyte ratio of heat stressed birdswithout supplement were higher than birds on phytogenic supplements, with least valuesrecorded in phyllanthus and mistletoe fed birds. Birds on phytogenic supplement tend tohave lower cholesterol profile, lipid peroxidation and better antioxidant profile than birds oncontrol treatment during heat stress conditions. Mistletoe supplementation in broiler rationenhances the survival rate, as well as promotes growth indices better among the phytogenicsupplements. However, phytogenic supplements did ameliorate the negative effects of thermal discomfort on performance, physiological and oxidative stress in heat-stressed broilerchicken.
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( Olatunji Abubakar Jimoh ),( Micheal Olawale Akinola ),( Bolaji Fatai Oyeyemi ),( Wahab Adekunle Oyeyemi ),( Simeon Olugbenga Ayodele ),( Idowu Samuel Omoniyi ),( Hafsat Ololade Okin-aminu ) 한국축산학회(구 한국동물자원과학회) 2021 한국축산학회지 Vol.63 No.1
Fruits with antioxidant enrichment can be an economically affordable supplement for mitigat ing oxidative damage prone spermatozoa membrane pathologies. Computer-assisted sperm analyzer and oxidative status were utilized to evaluate the impact of watermelon (Citrullus lanatus) fortification of dextrose saline as diluent for rooster semen and fertility response of hens inseminated. Watermelon juice and dextrose saline were used to formulate diluent of 7 treatments consisting of unextended semen (positive control), 10%, 20%, 30%, 40%, 50% and only dextrose saline (negative control) designated as Treatments 1-7. Pooled semen was obtained from fertile roosters and equilibrated with diluents at ratio 1:2 in the various treatments and were evaluated using computer software coupled microscope and seminal oxidative status assay. 168 laying hens randomly divided into 7 treatment of 8 replicates and 3 hen per replicate. Hen were everted, and semen (2 × 10<sup>8</sup> Spermatozoa) deposited intra-va gina and eggs collected over 8 weeks to assess fertility and hatchability of eggs laid. The result obtained revealed that watermelon-dextrose saline rooster semen diluent enhanced progressive motility, sperm kinetics and lowered non-progressive motility in T2-T6 compared to T7 over the 3 hours of evaluation. Watermelon addition to rooster semen diluent enhance the antioxidant capacity of rooster semen and lowered lipid peroxide generation. The per centage fertility was highest in T3 (81.01%) and T4 (81.24%) with lowest value obtained in T7 (73.46%). The hatchability of eggs set of hens inseminated with undiluted semen (71.46%) was lower than values for hens inseminated with watermelon inclusive extended semen (75.71%-80.39%). The optimal inclusion of 30%-40% watermelon in dextrose saline diluent enhance rooster semen kinetics, seminal oxidative stability and egg fertility.
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