DIFFERENCES IN TESTICULAR PARAMETERS AND MORPHOLOGICAL CHARACTERISTICS OF SPEMATOZOA AS RELATED TO AGE OF WEST AFRICAN DWARF BUCKS

Abstract

'Fhc @Heat cllf aqss on feetWrul&r paranraet@ro and na~nosphoilragiied skar~ctcdefles
of wp@amato~sao f mnXs Wc~.ssAt fxSsan dwarf gsst (buck) wsre eftmdiad, The
agc of ihe backs did msl. slgnrfiaantly a#@ct (Pr Q,OB) 1estieula;rs parameters,
1) wasr observed thsnt klrvfa wne a ~xaduall Rmereaoe In the wdghts and ItingOhs
0%te ~tesa nd epldidymlc~ fibs bucks adwana~din age (B%9,05),S imlf~sly,
fhs cllreunnkrcnes sf fltr 4caaf~rnW R t~he tecstio Inereahad ns the barekg
inexeased in tag@. Tmticit%ar ~g)$rrnatoz~ia had maw activity 95 2exe wklllr
errgat, aarpue end saudrin ~~8idIdlymwi@er e ~ m r 1d, a , 5, aec~peetlv@ly*
ProgrennRve motlllle npelmmataaoa were first observed Rn, the region dicrtal to
the mid~aarpnns of dkha itpAdldytnA4, The ohange Pn mratRlRky gattern in
eplidldymls wao eimllar in all ths gsafe $raeapesf%ve of thc ags sf the buaks.
8% the buabs advsnnaed 5n age more dssf@etive or sbnurmwt e~permwtaaea
were observed In the epii~lfdymiw. Tks first age group (1.2 years) had the
lewest mean esunf nf wblr;rormal%b)8.0 & 11,0 wpemmetoaa3a bllawed by the
oseond a ~gero up (2t/*a318uyw""nxs1)1 2,O Q9,1s prmatolrna and the Isst age
group (4 43 yeare) 11%4,8 &, X7,0 abnormal nparmafannw, "rhe value nf the
Wr~ta qa Braup differed a!gwlfRenmton.)4y( P98.96) when compared with ths fast
age grsarap but not wRlh the sacondl ngs gxnrup. fn ths eeaand and fhlrd agia
graaap8 caudal apidadymle %lad thg fows~fm aan abnarrx~ale psrm ecllrs aa~cegt
Rxa the $4y asre age grs~pwh ile aorpw epldidgtmRs had lths l~weeitI n the
Br~t sage groaap,