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Effect of different pruning intensities on the growth of Acacia nilotica (Kikar) Agrociencia
Siddiqui,Tahir; Fattakh Nawaz,Muhammad; Ahmed,Irfan.
In many species, natural pruning is never a satisfactory option if production of clear wood is a management objective. Acacia nilotica is well adapted specie to the arid and semiarid climate of Pakistan and plays an important role in rural economy of the country. Traditional pruning is carried out to maximize the amount of clear-wood production but the effect of this practice on tree growth, still unknown. So a preliminary pruning trial was conducted at two different sites, UAF and PARS, in Faisalabad- Pakistan. All pruning treatments resulted in reduction in diameter growth. However, significant reduction in diameter growth was observed when crown removal was more than 40 %. A taper study was done by taking diameter measurements at different heights. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Acacia nilotica; Diameter growth; Stem taper; Pakistan.
Ano: 2010 URL: http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1405-31952010000100009
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Safety and efficacy of ketamine xylazine along with atropine anesthesia in BALB/c mice BJPS
Jamal,Muhammad Ameen; Ahmed,Arslan Mahmood; Tahir,Muhammad; Ashraf,Muhammad; Sattar,Abdul; Ghafoor,Aamir; Munir,Shahzad; Ahmed,Irfan; Hussain,Mubashir; Riaz,Amjad.
Anesthetics are an indispensable prerequisite for surgical intervention and pharmacological animal studies. The objective of present study was to optimize the dose of ketamine (K) and xylazine (X) along with atropine sulfate (A) in order to achieve surgical tolerance in BALB/c mice. Several doses of ketamine (100, 150, 200 mg/kg) and xylazine (10, 15, 20 mg/kg) were mixed and combination of nine doses (K/X: 100/10, 100/15, 100/20, 150/10, 150/15, 150/20, 200/10,200/15,200/20) were evaluated (n=9 per combination). A constant dose of atropine (0.05 mg/kg) was also used to counter side effect. Time-related parameters were evaluated on the basis of reflexes. KX at dose 200/20 mg/kg produced surgical tolerance in all nine mice with duration 55.00±6.87 minutes....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ketamine hydrochloride; Xylazine hydrochloride; Atropine sulfate; Surgical tolerance; BALB/c mice.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502019000100556
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