Pei-feng Yin1,2,Xiu-xiu Li1,Qi-wei Zeng3, Cheng-chen Shen1, Le Gao1 andJian-zhang Ton2,*
...e silkworm; however, the cocoons yield found in infected group was deeply affected. Compared with control group, the biggest body weight, cocoon weigh, cocoon shell weight, pupal weight in infected group was 9.3%, 8.8%, 11.4% and 10.2%, respectively, lower than that of control group. Although the groups obtain a similar group oviposition, group good oviposition and group oviposition rate (...
Wang Zaigui1,*, Guo Panpan1, Ye Miao1, Sun Linghong1, Zhang Hongfu2 and Liu Chaoliang1,*
...nt growth parameters and cocoon parameters were measured at each stage of silkworm. With the aim to investigate the supplemental effects of B.subtilis on growth performances, cocoon quality and amylase activity of silkworm, Bombyx L, we got the following results: (1) In the larval duration of 3rd instar silkworm, average weight gain (AWG) and feed conversion ratio (RFC) were not significantly affected with th...
Muhammad Zeeshan Nazar*, Ayyan Umer, Zahid Mahmood Sarwar, Faiz Ullah Faiz and Sikandar Hussain
...eight loss, reduction in cocoon quality as well as quantity and source of infestation for healthy larva. In current study, the 3rd instar larva of B. mori were fed on the leaves of Morus alba treated with B. thuringiensis until the start of 5th instar and the Total Haemocyte Count (THC) of the Bts infected silkworm’s haemolymph were counted. The findings of current research showed that THC was significantly increased at 1st and 2nd day i.e., 5128/ml and ...
Naila Shahzadi1, Hafiz Muhammad Tahir1*, Shaukat Ali1, Muhammad Farooq Bhatti2, Azizullah1, Shafaat Yar Khan3, Abdul Khaliq4
...weight, shell ratio (%), cocoon weight, filament length, shell weight, denier, fibroin and sericin contents) and biological traits (fresh weight of each larva, silk gland, pupa and moth) of silkworm, Bombyx mori L. (Lepidoptera: Bombycidae) have been enhanced with natural food supplements. The current review highlights details about the overview of sericulture, constrains of sericulture industry being faced by local farmers in Pakistan and impact of natural fo...
Sharon Zulfiqar1, Mubashar Hussain1*, Kiran Aftab1, Muhammad Faheem Malik1, Rizwan Khursheed2, Somia Liaqat1 and Maimoona Kanwal1
...Korean races. Similarly, cocoon weight (1.32 g), cocoon shell weight (0.28g), cocoon shell percentage (18.74 %) were recorded found in the Bulgarian race which was significantly greater (P < 0.05) than other two races. We documented that the Bulgarian race is promising and has great potential to perform on local mulberry under prevailing environmental conditions. We also suggest that po...
Ghulam Ali Bajwa1*, Zahid Rızwan2 and Muhammad Atıf Majeed1
...y weight, pupation rate, cocoon shell ratio and cocoon yield. The hybrids improved vigour of biological and silk yielding by 5.6% to 27.5% over respective mid-parents values. PO206×J101 produced the highest MPH (66.8%) for cocoon shell weight, while MKD205×C102 produced a negative MPH (- 0.8%) for silk productivity. A mean heterosis of 4.2% to 23.0% was found over respective be...
Naila Shahzadi1, Hafiz Muhammad Tahir1*, Azizullah1, Muhamamd Farooq Bhatti2, Shaukat Ali1, Muhamamd Summer1 and Farman Ahmad Chaudhary3
...ved in G3 (3% honey) for cocoon width (1.67 ± 0.03cm), cocoon length (2.98 ± 0.05), filament length (1310.89 ± 15.58m) and percentage of fibroin (85.57 ± 0.28) (with less percentage of sericin (18.61 ± 0.28%). Furthermore, lowest (finer) denier (1.82 ± 0.07) was recorded in G2 larval group fed with 5% sericin. It is concluded from this study that 3% honey and 5% sericin (solitary) ha...
Bdour Muhammed Al-Shweily1*, Jawad Bulbul Al-Zaidawi2, Muhammed Jubair Hanawi1
... protection due to their cocoon enclosure, mitigating the impact of external influences. ...
Muhammad Salman1*, Naveed Ahmed2, Mir Manzar Ud Din3, Fazli Amin4 and Arsalan Ali5
... and its effect on their cocoon characters during spring and autumn silkworm rearing seasons 2022. The study comprised of thirty number of larvae and cocoons of Chinese C-21 strain. The parameters that were studied in the present experiment and recorded were weight of full-grown larvae (1.4-3.6 gm), length of larvae (49-67 mm), cocoon weight with floss (0.34-2.3 gm), ...
Muhammad Farooq Bhatti1, Hafiz Muhammad Tahir1*, Aamir Ali1, Hooria Ashraf Khan1, Rabia Fajar Ali2, Ayesha Muzamil1, Fariha Munir3, Fatima Ijaz1, Rizwan Khurshid3
...conomic traits including cocoon length and width as well as fibroin content of larvae of the Chinese race were significantly higher as compared to Pakistani and Bulgarian races. It is concluded that the Chinese silkworm showed better adaptation and produced a high yield in the local climatic conditions of Pakistan.
Novelty Statement | Sericulture is a declining cottage industry. One of the...
Muhammad Ramzan1*, Unsar Naeem-Ullah2, Shafia Saba2, Madiha Mobeen Khan3, Naeem Arshad Maan3, Asad-ur-Rehman4, Mahreen Khalid5, Syed Waqar Hussain Shah6 and Wardah Muzaffar7
...length and width of male cocoon was 9.90 ± 1.00 and 4.74 ± 0.52 mm, respectively. The length of wingspan of male and female was 17.44 ± 1.56, 5.66 ± 0.49 mm, respectively, while body length of male and female was 8.84 ± 0.90mm, respectively....
MAIMOONA KANWAL, MUBASHAR HUSSAIN*, ZAHEER ABBAS1, SHAKIL AHMAD KHAN2, FATIMA
ZAFAR & RIZWANKHURSHEED2
Modelling of female Pupal body weight and fecundity of the mulberry silkworm (Bombyx mori l) strains
Ghulam Ali Bajwa and Hakim Shah
... Pupa, body weight, Seed cocoons, Silk Seed, Bombyx mori....
Syed Said Badshah Bukhari, Ghulam Ali Bajwa and Miskeen Ali
...rate (94.80±1.23%), cocoon yield (14.85±0.22 kg per 10,000 larvae) and cocoon weight (1.42 ±0.03 g), while hybrid C02x05M was superior in the shell weight (0.37±0.01 g) and shell ratio (26.47±0.04%). The EI values ranged between 40.96 and 61.92. All hybrids except 05POx06M resulted in greater than 50 EI values. Four hybrids showed positive MPH for the cocoon yield,...
Wali-ur-Rahman, Muhammad Khan and Muhammad Nawaz Rajpar
...L. on the larval growth, cocoon characters and larval and pupal mortality of 6 silkworm strains of Bombyx mori L. Silkworm strains fed on the PFI-1 mulberry variety showed an increment of 9.91% and 0.936% in larval and cocoon shell weight and 3.681 and 3.0 in percent shell ratio and good cocoons and a decrease of 9.4 and 7.6 in percent larval and pupal mortality than those fed on ...
Sardar M. Rafique and Ghulam Ali Bajwa
...worm growth and economic cocoon traits was assessed. Besides, different transportation modes and means were evaluated. The results revealed that the young age larvae of C-102 strain reared under cooperative house conditions and transported by motorbike gave 5.12% (larval body weight gain), 11.34% (cocoon weight) and 12.69% (shell weight) more than conventional methods of rearing. In case of 206-PO, return of larval body weig...
Sardar M. Rafique and Ghulam Ali Bajwa
...rry leaf conversion into cocoons and cocoon shells was determined for seven exotic bivoltine pure lines of Bombyx mori L. strains (J-99, J-101, 205-MKD, 206-MKD, 206-PO, 207-PO and 208-PO) during spring and autumn seasons. Eight quantitative traits viz., total food ingestion (Tl), Total food digestion (TD), cocoon weight, shell weight, efficiency of conversion of ingested food into ...
Sardar M. Rafique and Ghulam Ali Bajwa
...d on growth and economic cocoon characters of eight silkworm (Bombyx mori) strains The results revealed that different mulberry cultivation forms significantly influenced silkworm growth and cocoon characters Maximum (3 11g) per larva body weight gain, absolute body weight (3 06g) increment, daily body weight (0 23g) increment and growth rate (34 78%) was recorded on low cut while minimum body weight (1 86g) gain, abs...
Sardar M. Rafique and Ghulam Ali Bajwa
...rH to override losses of cocoon crops due to bacterial flacherie.
Keywords: Silkworm, Resistance, J-99, J-101, 205-MKD, 206-MKD, C-102, 206-PO, 207-PO, 208-PO.
...
Wali-ur-Rehman, Meher Nigar Ashiq and Siraj-ud-Din
...rval weight by 11% each, cocoon weight by 20 and 13%, shell weight by 17 and 10%, fecundity by 8 and 11% and decreased larval mortality by 60 and 14% and pupal mortality by 16 and 62% for C-102 and J-101 respectively. The mean high temperature of 30°C with the prevailing humidity of 58% decreased the larval weight by 13, cocoon weight by 18, shell weight by 24 and fecundity by 48% in case of C-102 while in J-101 the same ...
Inayat Ahmad Hafiz
...s especially on economic cocoon
characters. The results show that mortality of larvae
and pupae was low and the effect of PFI-1 and PFI-2 was
significant on economic cocoon characters of the
variety. The chemical analysis of these varieties showed
that protein contents of PFI-1 and PFI-2 were higher
then in Japanese hybrid and Karyansuban varieties and
hence gave better cocoon shell...
M. N. Ashiq
... the larvae and shape of cocoon were
taken into consideration for purification of the lines.
With this method six pure lines, four of Chinese origin
and two of Japanese origin, were evolved. All these
lines were stable and bred true for the two characters.
They were all suitable for rearing in the spring season....
Sardar Muhammad Sarwar Khan
...de. In the beginning the cocoons production was
confined to boundary areas only. Later on policy was changed by introducing silkworm
rearing in the specified area of Kotli District. The results were very encouraging
therefore, the development of this cottage industry was extended to other parts of the
territory....
Zakaullah
...ld and distortion in the cocoons with inferior silk
when silk worms were fed on infected leaves....
Mehar Nigar Ashiq, Muhammad Iqbal Ahmad and Raj Muhammad
...n yield several crops of cocoons in a
year and is also resistant to silkworm diseases, high
temperature and low humidity....
M. Iqbal Ahmad
...ilk yarn technology, and cocoon and silk marketing. Other factors also played an
important part in this regard. These include import policy for silk seed and raw silk and
price fluctuations faced by farmers in sale of cocoons....
K. M. Siddiqui
...ng and marketing of silk cocoons and raw silk. The
prices of cocoons also fluctuate considerably from year to year, thus adversely affecting
economic returns to the farmers....
M. I. Sultani, Zafaruddin and Ghulam Akbar
...ide 750 kg of green silk cocoons or 93 kg raw silk (Zafarud Din et al., 1983). Dwarf multicut varieties of mulberry with plant height less than 10 feet are generally cultivated for sericulture in many countries like Japan, China, and Korea while in Pakistan major source of mulberry leaves for silk worm rearing is the high trunk mulberry varieties; which are low yielding and deciduous in nature. There is, therefore, scarcity of mulberry leaves in the co...
Mrs. M.N. Ashiq and M. Iqbal Ahmad
...od
results. The average cocoon yield calculated for one
seed packet was 30kg fresh cocoon with 20.5%as cocoon
shall ratio, which is similar to China....
Mian M. Muslim
...uary - April,
1984. The cocooning ratio 94.67% and 94.89% and cocoon
shell ratio 23% and 22.21% in respect of the first
rearing during February 18 to March 19 and second
rearing during March 3 to March 30 respectively were
considered quite satisfactory. The same being 75% and 19.64% in respect of third rearing during, March 20 to
April 17 were considered on low side....
Mian Mohammad Muslim
...ust-September. 1975. The cocooning percentage (86) and cocoon shell ratio (20%) were found to be satisfactory...
