Delta and Upper Egypt Buffalo Farming Systems: Asurvey Comparison

Fahim, N. H.; Abdel-Salam, Sameh; Mekkawy, Wagdy; Ismael, Ahmed Fawzi; Bakr, Samy Abo; Sayed, Manal El; Ibrahim, Maria Salem

doi:10.21608/ejap.2018.93242

Cited by 7 publications

(3 citation statements)

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“…Buffalos ( Bubalus bubalis ) are a common species in the Middle East ( 1 ) and Africa ( 2 ), and have great potential due to their critical role in farming and agriculture in those developing countries ( 3 – 5 ). One of the major restraints in the utilization of domestic buffalo reproductive capacity as compared to cattle has been its characteristically poorer reproductive functionality and efficiency ( 6 ) that is associated with silent heat, missing many behavioral signs, and lesser conception rates ( 7 , 8 ).…”

Section: Introductionmentioning

confidence: 99%

Histological and hemodynamic characterization of corpus luteum throughout the luteal phase in pregnant and non-pregnant buffalos in relation to nitric oxide levels based on its anatomical determination

et al. 2022

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This study aims to compare the complete growth and development of corpus luteum (CL) in domestic buffalos from day 5 until day 40 after ovulation either in pregnant or non-pregnant animals and whether luteal vascularity (LV) with progesterone (P4) and nitric oxide (NO) could determine luteal functionality or not. Pluriparous buffalos (Bubalus bubalis) were categorized as pregnant (n = 6) or non-pregnant (n = 9) after pregnancy check at day 25. Animals were subjected to ultrasound analysis to determine the CL area (cm2) and LV. Blood sampling was performed following the Doppler examination. Ovarian tissue samples from non-pregnant buffalo genitalia (n = 18) and early pregnant buffalo genitalia (n = 3) were collected from great abattoirs. Luteal Doppler indices were lower in the pregnant group, while peak systolic velocity (PSV) was increased (p < 0.05) in the same pregnant females. Both P4 and NOMs were elevated (p < 0.05) in the pregnant group. There was a positive correlation (p < 0.01) between P4 and CL PSV. Based on our macroscopical examination, the CL of non-pregnant buffalos was classified into four stages. Histologically, stage I showed that CL was covered by a highly vascularized connective tissue (CT) capsule. It consisted of small and large lutein cells, whereas stage II was similar to stage I except for the presence of numerous fibroblast cells and vacuolated cells. Stage III was characterized by increasing the number of collagen fibers and the thickness of the blood vessels. Stage IV revealed thickening of the CT capsule and septae, regressed capillaries and arterioles, in addition to shrunken degenerated lutein cells. CL of pregnant buffalos revealed the same structure as CL at stage II. CL area was increased in the pregnant group. The collective data suggested that evaluation of the luteal artery could be extremely helpful to determine the potential benefits of colored and pulsed Doppler in CL vascularization assessment in both luteal and early pregnancy phases.

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Section: Introductionmentioning

confidence: 99%

Histological and hemodynamic characterization of corpus luteum throughout the luteal phase in pregnant and non-pregnant buffalos in relation to nitric oxide levels based on its anatomical determination

et al. 2022

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“…It plays a pivotal role in livestock production and agricultural economy in many countries worldwide. The world population of buffalo is estimated to be 199 million located in Asia, the Mediterranean Area, Latin America and Central/Northern Europe (Fahim et al, 2018). Despite the significant contribution of this animal to food security, it still suffers many reproductive complications, which significantly restrict their reproductive capacity.…”

Section: Introductionmentioning

confidence: 99%

Ovarian activity, hormone profile, pro‐inflammatory cytokines and reproductive performance of buffalo cows fed diets with different estrogenicity

Hashem

Essawi

El-Raghi

2023

Animal Physiology Nutrition

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Buffalo cows play a vital role in milk and meat production; however, they are characterised by several reproductive disorders. Feeding diets with high oestrogenic activity may be a disrupting factor. This study aimed to evaluate the effects of feeding roughages with different oestrogenic activity on the reproductive performance of early postpartum buffalo cows. A total of 30 buffalo cows were equally stratified into two experimental groups and fed either Trifolium alexandrinum (Berseem clover, phytoestrogenic roughage) or corn silage (nonoestrogenic roughage) for 90 consecutive days. After 35 days from the beginning of the feeding treatments, buffalo cows in both groups were synchronized for oestrus using a double i.m. injection of 2 mL prostaglandin F2α, 11 days apart, subsequently, overt signs of oestrus were observed and recorded. Moreover, ovarian structures, numbers and sizes of follicles and corpora lutea, were ultrasonography examined at day—12 (represents Day 35 of feeding treatment), Day 0 (day of oestrus) and Day 11 after oestrous synchronization (mid‐luteal phase). Pregnancy was diagnosed 35 days postinsemination. Blood serum samples were analysed for progesterone (P4), estradiol (E2), tumor necrosis factor (TNF‐α), interlukein‐1β (IL‐1β) and nitric oxide (NO). The high performance liquid chromatography‐analysis of roughages showed the abundance of isoflavones in Berseem clover, with about 58 times higher concentration than that in corn silage group. During the experimental period, the numbers of ovarian follicles of all size categories were higher in the Berseem clover group than that in the corn silage group. No significant difference in the numbers of corpora lutea was observed between both experimental groups, but lower (p < 0.05) diameter of corpus luteum was observed in the Berseem clover group than that in the corn silage group. The Berseem clover group had higher (p < 0.05) overall concentrations of blood serum E2, IL‐1β and TNF‐α, but lower (p < 0.05) overall concentrations of blood serum P4 than those recorded in the corn silage group. Oestrous rate, onset of oestrus time and oestrous duration were not significantly affected by the treatment. The conception rate was significantly (p < 0.05) reduced in the Berseem clover group compared with that in the corn silage group. In conclusion, feeding roughage with a high oestrogenic activity such as Berseem clover can negatively affect the conception rate of buffalo cows. This reproductive loss seems to be associated with inadequate luteal function and P4 concentration during early pregnancy.

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“…Cows and buffaloes play a crucial role in ensuring food security in Egypt, particularly in the production of red meat for the local market (Fahim et al, 2018). Growth is commonly defined as the increase in weight over a given period of time (Brody, 1945).…”

Section: Introductionmentioning

confidence: 99%

Comparsion Between Non-Linear Growth Models to Describe the Growth Curve in Egyptian Buffalo and Crossbred Cow Calves

Easa,

Rashad

2019

Journal of Agricultural and Environmental Sciences

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Delta and Upper Egypt Buffalo Farming Systems: Asurvey Comparison

Cited by 7 publications

References 0 publications

Histological and hemodynamic characterization of corpus luteum throughout the luteal phase in pregnant and non-pregnant buffalos in relation to nitric oxide levels based on its anatomical determination

Histological and hemodynamic characterization of corpus luteum throughout the luteal phase in pregnant and non-pregnant buffalos in relation to nitric oxide levels based on its anatomical determination

Ovarian activity, hormone profile, pro‐inflammatory cytokines and reproductive performance of buffalo cows fed diets with different estrogenicity

Comparsion Between Non-Linear Growth Models to Describe the Growth Curve in Egyptian Buffalo and Crossbred Cow Calves

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