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College of Veterinary & Animal Sciences , Mannuthy

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Research News, Initiatives & External aided projects

Research Facilities
Research facilities include rotary microtomes, a high resolution electronic camera suitable for taking photomicrographs and a well equipped PG research lab with facilities for routine and special histological and histochemical staining techniques.

Research news and Events

  • Comparative study was made on the gross as well as the histomorphology of ruminant stomach of goat (Capra hircus) which is still helpful for the species identification, especially in the field of meat inspection. It has enlightened the comparative digestive physiology of goat
  • Another extensive study was conducted on the comparative anatomy of corpus leutum and placenta of goat. This study anatomically proved that goat is a corpus leutum dependent animal throughout its pregnancy and the goat placenta has less endocrine function compared to other domestic animals. This correlative gross anatomical, histomorphologicaI and histochemical studies have great value in the basic science particularly in the field of Anatomy, endocrine and parturition physiology as well as in the field of clinical obstretics and species identification
  • Studies on the postnatal development of bursa of Fabricius (lymphoid organ) of duck. This study especially immuno-histochemistry revealed the development of immune system in duck. It can provide very important information in immunizing programmes of ducks in our state.
  • Studies on the prematerial development of brain and spinal cord in goat revealed the gross as well as histomorphological changes of nervous tissue in goat which help to interpret the developmental anomalies.
  • Regression equations were derived from significantly correlated brain and body parameters to predict brain parameters during gestation from known body parameters of the goat foetus.
  • Histomorphological studies were conducted on the skin of Large White Yorkshire pigs and found that the skin of male animals were thicker than that of females. Maximum thickness of the skin was noticed in the snout and minimum in the ventral abdomen. Grouping of hairs were evident and the sweat glands were of apocrine type except in the snout and dorsal nasal regions. Maximum subcutaneous fat thickness was noticed in the neck dorsal region.
  • A study was conducted on the postnatal development of oviduct in Japanese quail from day-old to 60 days of age. The isthmus region was relatively longer, which contributed to the thicker shell membranes of the quail eggs.
  • In Kuttanad ducks, a well developed vaginal sphincter and abundant diffuse lymphatic tissue in the oviduct reflects increased immunocompetancy during egg production in the species as an adaptationto its habitat.
  • Prenatal development of major lymphocentres and lymphatics in goats revealed that all lymph nodes presented aggregation of lymphocytes in the cortex by the 5th month, thereby attaining a structural similarity to that in the adults towards the term except for the absence of macrophages and germinal centres.
         

 

External Aided Projects

SI.No.
Name of the Project
Funding Agency
1
Histomorphological comparison of skin in different breeds of rabbits” 
P I :- Dr K M Lucy
Technology Transfer:- Present study confirms the occurrence of breed-specific characteristics in the skin of rabbits. High hydroxyproline and collagen contents and comparatively thick dermis in the skin of crossbred, Angora and Grey Giant are beneficial for endo-epidermal growth to promote healing which is a beneficial factor in farmer’s point of view.
AHD -2.04 lakh
2
Morphohistological differentiation of skin & hair in wild and domestic small ruminants
PI :- Dr S Maya
Technology Transfer:- In DNA barcoding, where Cytochrome C Oxidase subunit (COI) sequence of mitochondria was used as the barcode marker ideal for species identification of Cervus unicolor, Rusa timorensis and Capra hircus suggesting that unrecognizable wildlife specimens can be identified efficiently using DNA sequence-based analysis.
Comparative morpho-histology of muzzle in deer and goat, size of elevations was smaller in goat than in Sambar deer with narrow intermediate spaces and resembled pattern in spotted deer.
AHD -2.2 lakh
3
Studies on anomalies of embryos causing low hatchability in chicken
PI :- Dr S Maya
Technology Transfer: - Nucleotide sequence variation of ovomucoid gene observed in unhatched chick embryos with structural anomalies eventhough, a TAT deletion between nt 575 and nt 579 as noted in ovomucoid gene in ducks of low-hatchability group was not detected.
KSCSTE
6.699 lakh
4
“Anatomical causes of infertility in crossbred dairy cows: structural and molecular studies on reproductive system”
PI :- Dr K M Lucy
On-going project
AHD- 10.8 lakhs


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