Age-stage specific
fecundity (fxj) explains mean number of eggs laid per adult female at age x and stage j per day (adult female of M.
To determine
fecundity, the total egg mass of the female was detached carefully with the aid of dissection tweezers.
Relationship between total length and body weight, total length and
fecundity, body weight and gonado-somatic index, body weight and
fecundity were determined using Pearson's correlation.
Three estimates of
fecundity were calculated: 1) by counting the number of oocytes in the largest group of oocytes in the ovaries, which were presumed to be the next litter; 2) by using total embryo count (candled and free-living embryos), and 3) by using counts of only free-living embryos.
Fecundity models were first run with continuous urinary concentrations to assess potential linear associations between urinary chemicals and
fecundity then in quartiles to assess nonlinear relationships.
Fecundity:
Fecundity was estimated from gravid females collected from the Umiam River throughout the study period, and was determined using the gravimetric method (Babiker & Ibrahim, 1979).
Density dependence of walleye maturity and
fecundity in Big Crooked Lake, Wisconsin, 1997-2003.
Total 24 goats were confirmed as non pregnant through ultrasonography and were equally divided into three groups for undertaking
fecundity improvement protocols.
The diets contained artificial ingredients significantly influenced oviposition and post-oviposition periods and
fecundity of females [4,5].
HUMIDITY EXPERIMENTS TO DETERMINE
FECUNDITY AND EGG INCUBATION
KEY WORDS: Cancer pagurus, Crustacea, reproductive ecology,
fecundity, chela loss, egg size, elemental composition, sustainable fisheries
Relationship between
fecundity and fork length, weight, and age were calculated using equations LogFL = Loga + b x LogL, FW = a + b x W, and FA = a + b x A, respectively (Avsar, 2005).
eridania (Montezano et al., 2013) also demonstrated that multiple couples led to a greater number of copulations, thus increasing
fecundity and fertility.
Egg skeins were collected from 18 females to assess
fecundity. The egg skeins (n = 18) were cut open under a dissecting scope and eggs were individually counted and verified by a second counter to insure accuracy.
Our study estimated the
fecundity of 39 female Alabama shad from the Apalachicola River, Florida.