Bhattacharyya et al.pdf - Wudpecker Research Journals

Wudpecker Journal of Agricultural Research Vol. 1(8), pp. 346 - 348, September 2012
Available online at http://www.wudpeckerresearchjournals.org
2012 Wudpecker Research Journals
ISSN 2315-7259
Short Communication
Fertility of local goats of kashmir using frozen semen
Of Boer bucks
1 H. K. Bhattacharyya, 2 N. A. Ganai, 2 H. M. Khan
Krishi Vigyan Kendra (Farm Science Centre), Assam Agricultural University (AAU) Assam, India.
Division of Livestock Production and Management, F. V. Sc and A.H., SKUAST-K, Shuhama-Alusteng, Srinagar – 190
006 (J & K), India.
Accepted 15 July 2012
The objective of this study was to determine fertility of local goats of Kashmir using frozen pellet semen
of Boer bucks during breeding season. In 10 goats estrus was induced by injecting cloprostenol
sodium at 125µgm/ animal intramuscularly and in another 11 goats estrus was detected by visual
observation using apronised buck 4 times a day at 6 hours interval. Different estrus behaviours shown
by the goats of two groups (synchronized vs natural) were recorded as intense or weak and their
intensity was compared using chi-square test. All the goats were inseminated twice, one at 12 hour
after onset of estrus and other at 12 to 20 hours later, with 1 ml thawed pellet semen containing 100 to
120x10 6 spermatozoa having 70% post thaw motility. The pregnancy was confirmed by B-mode Real
time ultrasonography using 3.5 MHz transducer by transabdominal approach on 60 days post
insemination. Kidding rate was also recorded. Weight of the live kids were recorded at birth and at
every one week interval upto 4 th week and compared with the weight of equal number of local kids born
at the farm using Mann-Whitney test. Different estrus behaviours noticed were low feed intake (38.10%),
aggressiveness/ instability (52.38%) mounting and or allowing mounting other nearby goats (80.95%),
slight hyperemia and swelling of vulva (71.43%) and passage of scanty vulvar discharge (57.14%).
Significantly higher intense estrus was observed in synchronized group than in naturally estrus
occurring group. Overall pregnancy rate (PR) found was 71.43% with kidding rate of 1.27. The birth
weight and body weight upto 4 th week of age of the crossbred kids was significantly higher (P

347 Wudpecker J. Agric. Res.
Table 1. Comparison of growth performance of crossbred Boer kids (n=15) with local
kids (n=15).
Weight in Kg Crossbred Boer kids Local kids
Weight at birth
Weight at 1 st week
Weight at 2 nd week
Weight at 3 rd week
Weight at 4 th week
3.30
4.60
5.20
6.00
6.70
2.30
2.80
3.50
4.20
4.80
goats has increased in the recent years because of its
successful use in cattle breeding and also because there
has been a decline in the number of goats for meat, milk,
fibre and skin production and only fewer males are
available due to sacrificing it by many religious
communities in their own rites (Barua et al., 1990). The
artificial Insemination (AI) also obviates difficulty of
transporting female for service and permits wide use of
semen from healthy buck.
Although many studies on fertility of goats have been
conducted in different parts of India (Greesh et al., 1983;
Das and Rajkonwar, 1993; Bhattacharyya et al., 2002),
no work has been done under temperate condition of
Kashmir. The present study was planned to determine
pregnancy rate of local goats of Kashmir using frozen
semen of Boer buck, differences between synchronized
and natural estrus if any and also to compare the growth
performance of crossbred and local kids under agroclimatic
condition of Kashmir.
MATERIALS AND METHODS
The present study was conducted at Goat breeding farm of
SKUAST-K, Shuhama during the breeding season i.e. September
to October, 2009. For the purpose, a total of 21 clinically healthy
local adult female goats of 2 to 3 years of age weighing 22 to 27 kg
were selected. All these goats along with other breeding does of the
farm were maintained under uniform feeding and managemental
condition, comprising of providing concentrate in the morning and
evening followed by allowing them to graze freely between the two
intervening periods.
From the whole group, 10 goats (Group 1) were injected with
cloprostenol sodium (@125 µgm/ animal intramuscularly) to bring
into estrus. Goats that did not show estrus upto 96 hours received a
second injection at 11 days apart. In other 11 goats (Group 2)
estrus was detected by visual observation using apronised buck 4
times a day at 6 hours interval. Different estrus behaviours shown
by the goats of two groups were recorded as intense or weak
(Hafez and Hafez, 2000) and their intensity was compared using
chi-square test (Snedecor and Cochran, 1994). All the goats were
inseminated twice, one at 12 hour after onset of estrus and other at
12 to 20 hours later, with 1ml thawed pellet semen containing 100-
120x106 spermatozoa having 70% post thaw motility. The
pregnancy was determined by B-mode Real time ultrasonography
using 3.5MHz transducer by transabdominal approach on 60 days
post insemination. Kidding rate was also recorded. Weight of the
live kids were recorded at birth and at every one week interval upto
4th week and compared with the weight of equal number of local
kids born at the farm using Mann-Whitney test (Snedecor and
Cochran, 1994).
RESULTS AND DISCUSSION
Out of 10 goats receiving cloprostenol sodium for estrus
synchronization, 6 came into estrus within 96 hours and
remaining 4 came into estrus within 72 hours of second
injection. On the other hand, in non-synchronized group
all 11 goats came into estrus within 22 days from the
beginning of the experiment. This indicates that during
breeding season hormonal induction of estrus is not
necessary in Kashmir, a temperate region of the country.
Different estrus behaviours noticed were low feed intake
(38.10%, 8/21), aggressiveness/ instability (52.38%, 11/21)
mounting and or allowing mounting other nearby goats
(80.95%, 17/21), slight hyperemia and swelling of vulva
(71.43%, 15/21) and passage of scanty vulvar discharge
(57.14%, 12/21). Other behaviours like bleating, wagging
of tail, frequent micturition, arching and stretching body,
relaxation of vulval orifice etc recorded in other goat
breeds of India (Barua et al., 1990; Shivkumar and
Thomas, 1995; Bhattacharyya et al., 2000) were not
observed in the local goats of Kashmir. All animals of
group-1 showed intense estrus (100%) in contrast to only
20% animals of group-2 which was significantly (P

Bhattacharyya et al. 348
(P